389202550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2797}}^1$

素因数の和:2854

約数の個数: 72

約数和(自身を含む): 830603088

約数和(自身を除く): 441400538

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 121, 230, 242, 253, 275, 506, 550, 575, 605, 1150, 1210, 1265, 2530, 2783, 2797, 3025, 5566, 5594, 6050, 6325, 12650, 13915, 13985, 27830, 27970, 30767, 61534, 64331, 69575, 69925, 128662, 139150, 139850, 153835, 307670, 321655, 338437, 643310, 676874, 707641, 769175, 1415282, 1538350, 1608275, 1692185, 3216550, 3384370, 3538205, 7076410, 7784051, 8460925, 15568102, 16921850, 17691025, 35382050, 38920255, 77840510, 194601275, 389202550]

約数ペア:

[(1, 389202550), (2, 194601275), (5, 77840510), (10, 38920255), (11, 35382050), (22, 17691025), (23, 16921850), (25, 15568102), (46, 8460925), (50, 7784051), (55, 7076410), (110, 3538205), (115, 3384370), (121, 3216550), (230, 1692185), (242, 1608275), (253, 1538350), (275, 1415282), (506, 769175), (550, 707641), (575, 676874), (605, 643310), (1150, 338437), (1210, 321655), (1265, 307670), (2530, 153835), (2783, 139850), (2797, 139150), (3025, 128662), (5566, 69925), (5594, 69575), (6050, 64331), (6325, 61534), (12650, 30767), (13915, 27970), (13985, 27830)]