19725300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 216

約数和(自身を含む): 73661952

約数和(自身を除く): 53936652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 31, 35, 36, 42, 45, 50, 60, 62, 63, 70, 75, 84, 90, 93, 100, 101, 105, 124, 126, 140, 150, 155, 175, 180, 186, 202, 210, 217, 225, 252, 279, 300, 303, 310, 315, 350, 372, 404, 420, 434, 450, 465, 505, 525, 558, 606, 620, 630, 651, 700, 707, 775, 868, 900, 909, 930, 1010, 1050, 1085, 1116, 1212, 1260, 1302, 1395, 1414, 1515, 1550, 1575, 1818, 1860, 1953, 2020, 2100, 2121, 2170, 2325, 2525, 2604, 2790, 2828, 3030, 3100, 3131, 3150, 3255, 3535, 3636, 3906, 4242, 4340, 4545, 4650, 5050, 5425, 5580, 6060, 6262, 6300, 6363, 6510, 6975, 7070, 7575, 7812, 8484, 9090, 9300, 9393, 9765, 10100, 10605, 10850, 12524, 12726, 13020, 13950, 14140, 15150, 15655, 16275, 17675, 18180, 18786, 19530, 21210, 21700, 21917, 22725, 25452, 27900, 28179, 30300, 31310, 31815, 32550, 35350, 37572, 39060, 42420, 43834, 45450, 46965, 48825, 53025, 56358, 62620, 63630, 65100, 65751, 70700, 78275, 87668, 90900, 93930, 97650, 106050, 109585, 112716, 127260, 131502, 140895, 156550, 159075, 187860, 195300, 197253, 212100, 219170, 234825, 263004, 281790, 313100, 318150, 328755, 394506, 438340, 469650, 547925, 563580, 636300, 657510, 704475, 789012, 939300, 986265, 1095850, 1315020, 1408950, 1643775, 1972530, 2191700, 2817900, 3287550, 3945060, 4931325, 6575100, 9862650, 19725300]

約数ペア:

[(1, 19725300), (2, 9862650), (3, 6575100), (4, 4931325), (5, 3945060), (6, 3287550), (7, 2817900), (9, 2191700), (10, 1972530), (12, 1643775), (14, 1408950), (15, 1315020), (18, 1095850), (20, 986265), (21, 939300), (25, 789012), (28, 704475), (30, 657510), (31, 636300), (35, 563580), (36, 547925), (42, 469650), (45, 438340), (50, 394506), (60, 328755), (62, 318150), (63, 313100), (70, 281790), (75, 263004), (84, 234825), (90, 219170), (93, 212100), (100, 197253), (101, 195300), (105, 187860), (124, 159075), (126, 156550), (140, 140895), (150, 131502), (155, 127260), (175, 112716), (180, 109585), (186, 106050), (202, 97650), (210, 93930), (217, 90900), (225, 87668), (252, 78275), (279, 70700), (300, 65751), (303, 65100), (310, 63630), (315, 62620), (350, 56358), (372, 53025), (404, 48825), (420, 46965), (434, 45450), (450, 43834), (465, 42420), (505, 39060), (525, 37572), (558, 35350), (606, 32550), (620, 31815), (630, 31310), (651, 30300), (700, 28179), (707, 27900), (775, 25452), (868, 22725), (900, 21917), (909, 21700), (930, 21210), (1010, 19530), (1050, 18786), (1085, 18180), (1116, 17675), (1212, 16275), (1260, 15655), (1302, 15150), (1395, 14140), (1414, 13950), (1515, 13020), (1550, 12726), (1575, 12524), (1818, 10850), (1860, 10605), (1953, 10100), (2020, 9765), (2100, 9393), (2121, 9300), (2170, 9090), (2325, 8484), (2525, 7812), (2604, 7575), (2790, 7070), (2828, 6975), (3030, 6510), (3100, 6363), (3131, 6300), (3150, 6262), (3255, 6060), (3535, 5580), (3636, 5425), (3906, 5050), (4242, 4650), (4340, 4545)]