17802520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 42120000

約数和(自身を除く): 24317480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 103, 116, 145, 149, 206, 232, 290, 298, 412, 515, 580, 596, 745, 824, 1030, 1160, 1192, 1490, 2060, 2980, 2987, 4120, 4321, 5960, 5974, 8642, 11948, 14935, 15347, 17284, 21605, 23896, 29870, 30694, 34568, 43210, 59740, 61388, 76735, 86420, 119480, 122776, 153470, 172840, 306940, 445063, 613880, 890126, 1780252, 2225315, 3560504, 4450630, 8901260, 17802520]

約数ペア:

[(1, 17802520), (2, 8901260), (4, 4450630), (5, 3560504), (8, 2225315), (10, 1780252), (20, 890126), (29, 613880), (40, 445063), (58, 306940), (103, 172840), (116, 153470), (145, 122776), (149, 119480), (206, 86420), (232, 76735), (290, 61388), (298, 59740), (412, 43210), (515, 34568), (580, 30694), (596, 29870), (745, 23896), (824, 21605), (1030, 17284), (1160, 15347), (1192, 14935), (1490, 11948), (2060, 8642), (2980, 5974), (2987, 5960), (4120, 4321)]