638934800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 240

約数和(自身を含む): 1921876992

約数和(自身を除く): 1282942192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 31, 34, 35, 40, 50, 56, 62, 68, 70, 80, 85, 100, 112, 119, 124, 136, 140, 155, 170, 175, 200, 217, 238, 248, 272, 280, 310, 340, 350, 400, 425, 433, 434, 476, 496, 527, 560, 595, 620, 680, 700, 775, 850, 866, 868, 952, 1054, 1085, 1190, 1240, 1360, 1400, 1550, 1700, 1732, 1736, 1904, 2108, 2165, 2170, 2380, 2480, 2635, 2800, 2975, 3031, 3100, 3400, 3464, 3472, 3689, 4216, 4330, 4340, 4760, 5270, 5425, 5950, 6062, 6200, 6800, 6928, 7361, 7378, 8432, 8660, 8680, 9520, 10540, 10825, 10850, 11900, 12124, 12400, 13175, 13423, 14722, 14756, 15155, 17320, 17360, 18445, 21080, 21650, 21700, 23800, 24248, 26350, 26846, 29444, 29512, 30310, 34640, 36805, 36890, 42160, 43300, 43400, 47600, 48496, 51527, 52700, 53692, 58888, 59024, 60620, 67115, 73610, 73780, 75775, 86600, 86800, 92225, 93961, 103054, 105400, 107384, 117776, 121240, 134230, 147220, 147560, 151550, 173200, 184025, 184450, 187922, 206108, 210800, 214768, 228191, 242480, 257635, 268460, 294440, 295120, 303100, 335575, 368050, 368900, 375844, 412216, 456382, 469805, 515270, 536920, 588880, 606200, 671150, 736100, 737800, 751688, 824432, 912764, 939610, 1030540, 1073840, 1140955, 1212400, 1288175, 1342300, 1472200, 1475600, 1503376, 1597337, 1825528, 1879220, 2061080, 2281910, 2349025, 2576350, 2684600, 2944400, 3194674, 3651056, 3758440, 4122160, 4563820, 4698050, 5152700, 5369200, 5704775, 6389348, 7516880, 7986685, 9127640, 9396100, 10305400, 11409550, 12778696, 15973370, 18255280, 18792200, 20610800, 22819100, 25557392, 31946740, 37584400, 39933425, 45638200, 63893480, 79866850, 91276400, 127786960, 159733700, 319467400, 638934800]

約数ペア:

[(1, 638934800), (2, 319467400), (4, 159733700), (5, 127786960), (7, 91276400), (8, 79866850), (10, 63893480), (14, 45638200), (16, 39933425), (17, 37584400), (20, 31946740), (25, 25557392), (28, 22819100), (31, 20610800), (34, 18792200), (35, 18255280), (40, 15973370), (50, 12778696), (56, 11409550), (62, 10305400), (68, 9396100), (70, 9127640), (80, 7986685), (85, 7516880), (100, 6389348), (112, 5704775), (119, 5369200), (124, 5152700), (136, 4698050), (140, 4563820), (155, 4122160), (170, 3758440), (175, 3651056), (200, 3194674), (217, 2944400), (238, 2684600), (248, 2576350), (272, 2349025), (280, 2281910), (310, 2061080), (340, 1879220), (350, 1825528), (400, 1597337), (425, 1503376), (433, 1475600), (434, 1472200), (476, 1342300), (496, 1288175), (527, 1212400), (560, 1140955), (595, 1073840), (620, 1030540), (680, 939610), (700, 912764), (775, 824432), (850, 751688), (866, 737800), (868, 736100), (952, 671150), (1054, 606200), (1085, 588880), (1190, 536920), (1240, 515270), (1360, 469805), (1400, 456382), (1550, 412216), (1700, 375844), (1732, 368900), (1736, 368050), (1904, 335575), (2108, 303100), (2165, 295120), (2170, 294440), (2380, 268460), (2480, 257635), (2635, 242480), (2800, 228191), (2975, 214768), (3031, 210800), (3100, 206108), (3400, 187922), (3464, 184450), (3472, 184025), (3689, 173200), (4216, 151550), (4330, 147560), (4340, 147220), (4760, 134230), (5270, 121240), (5425, 117776), (5950, 107384), (6062, 105400), (6200, 103054), (6800, 93961), (6928, 92225), (7361, 86800), (7378, 86600), (8432, 75775), (8660, 73780), (8680, 73610), (9520, 67115), (10540, 60620), (10825, 59024), (10850, 58888), (11900, 53692), (12124, 52700), (12400, 51527), (13175, 48496), (13423, 47600), (14722, 43400), (14756, 43300), (15155, 42160), (17320, 36890), (17360, 36805), (18445, 34640), (21080, 30310), (21650, 29512), (21700, 29444), (23800, 26846), (24248, 26350)]