19542784400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:938

約数の個数: 240

約数和(自身を含む): 51552652800

約数和(自身を除く): 32009868400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 109, 124, 152, 155, 190, 200, 218, 248, 304, 310, 380, 400, 436, 475, 496, 545, 589, 620, 760, 761, 775, 872, 950, 1090, 1178, 1240, 1520, 1522, 1550, 1744, 1900, 2071, 2180, 2356, 2480, 2725, 2945, 3044, 3100, 3379, 3800, 3805, 4142, 4360, 4712, 5450, 5890, 6088, 6200, 6758, 7600, 7610, 8284, 8720, 9424, 10355, 10900, 11780, 12176, 12400, 13516, 14459, 14725, 15220, 16568, 16895, 19025, 20710, 21800, 23560, 23591, 27032, 28918, 29450, 30440, 33136, 33790, 38050, 41420, 43600, 47120, 47182, 51775, 54064, 57836, 58900, 60880, 64201, 67580, 72295, 76100, 82840, 82949, 84475, 94364, 103550, 115672, 117800, 117955, 128402, 135160, 144590, 152200, 165680, 165898, 168950, 188728, 207100, 231344, 235600, 235910, 256804, 270320, 289180, 304400, 321005, 331796, 337900, 361475, 377456, 414200, 414745, 448229, 471820, 513608, 578360, 589775, 642010, 663592, 675800, 722950, 828400, 829490, 896458, 943640, 1027216, 1156720, 1179550, 1284020, 1327184, 1351600, 1445900, 1576031, 1605025, 1658980, 1792916, 1887280, 2073725, 2241145, 2359100, 2568040, 2571419, 2891800, 3152062, 3210050, 3317960, 3585832, 4147450, 4482290, 4718200, 5136080, 5142838, 5783600, 6304124, 6420100, 6635920, 7171664, 7880155, 8294900, 8964580, 9436400, 10285676, 11205725, 12608248, 12840200, 12857095, 15760310, 16589800, 17929160, 20571352, 22411450, 25216496, 25680400, 25714190, 31520620, 33179600, 35858320, 39400775, 41142704, 44822900, 48856961, 51428380, 63041240, 64285475, 78801550, 89645800, 97713922, 102856760, 126082480, 128570950, 157603100, 179291600, 195427844, 205713520, 244284805, 257141900, 315206200, 390855688, 488569610, 514283800, 630412400, 781711376, 977139220, 1028567600, 1221424025, 1954278440, 2442848050, 3908556880, 4885696100, 9771392200, 19542784400]

約数ペア:

[(1, 19542784400), (2, 9771392200), (4, 4885696100), (5, 3908556880), (8, 2442848050), (10, 1954278440), (16, 1221424025), (19, 1028567600), (20, 977139220), (25, 781711376), (31, 630412400), (38, 514283800), (40, 488569610), (50, 390855688), (62, 315206200), (76, 257141900), (80, 244284805), (95, 205713520), (100, 195427844), (109, 179291600), (124, 157603100), (152, 128570950), (155, 126082480), (190, 102856760), (200, 97713922), (218, 89645800), (248, 78801550), (304, 64285475), (310, 63041240), (380, 51428380), (400, 48856961), (436, 44822900), (475, 41142704), (496, 39400775), (545, 35858320), (589, 33179600), (620, 31520620), (760, 25714190), (761, 25680400), (775, 25216496), (872, 22411450), (950, 20571352), (1090, 17929160), (1178, 16589800), (1240, 15760310), (1520, 12857095), (1522, 12840200), (1550, 12608248), (1744, 11205725), (1900, 10285676), (2071, 9436400), (2180, 8964580), (2356, 8294900), (2480, 7880155), (2725, 7171664), (2945, 6635920), (3044, 6420100), (3100, 6304124), (3379, 5783600), (3800, 5142838), (3805, 5136080), (4142, 4718200), (4360, 4482290), (4712, 4147450), (5450, 3585832), (5890, 3317960), (6088, 3210050), (6200, 3152062), (6758, 2891800), (7600, 2571419), (7610, 2568040), (8284, 2359100), (8720, 2241145), (9424, 2073725), (10355, 1887280), (10900, 1792916), (11780, 1658980), (12176, 1605025), (12400, 1576031), (13516, 1445900), (14459, 1351600), (14725, 1327184), (15220, 1284020), (16568, 1179550), (16895, 1156720), (19025, 1027216), (20710, 943640), (21800, 896458), (23560, 829490), (23591, 828400), (27032, 722950), (28918, 675800), (29450, 663592), (30440, 642010), (33136, 589775), (33790, 578360), (38050, 513608), (41420, 471820), (43600, 448229), (47120, 414745), (47182, 414200), (51775, 377456), (54064, 361475), (57836, 337900), (58900, 331796), (60880, 321005), (64201, 304400), (67580, 289180), (72295, 270320), (76100, 256804), (82840, 235910), (82949, 235600), (84475, 231344), (94364, 207100), (103550, 188728), (115672, 168950), (117800, 165898), (117955, 165680), (128402, 152200), (135160, 144590)]