319131080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2671}}^1$

素因数の和:2814

約数の個数: 64

約数和(自身を含む): 750297600

約数和(自身を除く): 431166520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 103, 116, 145, 206, 232, 290, 412, 515, 580, 824, 1030, 1160, 2060, 2671, 2987, 4120, 5342, 5974, 10684, 11948, 13355, 14935, 21368, 23896, 26710, 29870, 53420, 59740, 77459, 106840, 119480, 154918, 275113, 309836, 387295, 550226, 619672, 774590, 1100452, 1375565, 1549180, 2200904, 2751130, 3098360, 5502260, 7978277, 11004520, 15956554, 31913108, 39891385, 63826216, 79782770, 159565540, 319131080]

約数ペア:

[(1, 319131080), (2, 159565540), (4, 79782770), (5, 63826216), (8, 39891385), (10, 31913108), (20, 15956554), (29, 11004520), (40, 7978277), (58, 5502260), (103, 3098360), (116, 2751130), (145, 2200904), (206, 1549180), (232, 1375565), (290, 1100452), (412, 774590), (515, 619672), (580, 550226), (824, 387295), (1030, 309836), (1160, 275113), (2060, 154918), (2671, 119480), (2987, 106840), (4120, 77459), (5342, 59740), (5974, 53420), (10684, 29870), (11948, 26710), (13355, 23896), (14935, 21368)]