889760120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{19843}}^1$

素因数の和:19932

約数の個数: 64

約数和(自身を含む): 2143152000

約数和(自身を除く): 1253391880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 760, 1121, 1180, 2242, 2360, 4484, 5605, 8968, 11210, 19843, 22420, 39686, 44840, 79372, 99215, 158744, 198430, 377017, 396860, 754034, 793720, 1170737, 1508068, 1885085, 2341474, 3016136, 3770170, 4682948, 5853685, 7540340, 9365896, 11707370, 15080680, 22244003, 23414740, 44488006, 46829480, 88976012, 111220015, 177952024, 222440030, 444880060, 889760120]

約数ペア:

[(1, 889760120), (2, 444880060), (4, 222440030), (5, 177952024), (8, 111220015), (10, 88976012), (19, 46829480), (20, 44488006), (38, 23414740), (40, 22244003), (59, 15080680), (76, 11707370), (95, 9365896), (118, 7540340), (152, 5853685), (190, 4682948), (236, 3770170), (295, 3016136), (380, 2341474), (472, 1885085), (590, 1508068), (760, 1170737), (1121, 793720), (1180, 754034), (2242, 396860), (2360, 377017), (4484, 198430), (5605, 158744), (8968, 99215), (11210, 79372), (19843, 44840), (22420, 39686)]