2155449220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1\times {\mathrm{3833}}^1$

素因数の和:4780

約数の個数: 48

約数和(自身を含む): 4678829568

約数和(自身を除く): 2523380348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 907, 1814, 3628, 3833, 4535, 7666, 9070, 15332, 18140, 19165, 28117, 38330, 56234, 76660, 112468, 118823, 140585, 237646, 281170, 475292, 562340, 594115, 1188230, 2376460, 3476531, 6953062, 13906124, 17382655, 34765310, 69530620, 107772461, 215544922, 431089844, 538862305, 1077724610, 2155449220]

約数ペア:

[(1, 2155449220), (2, 1077724610), (4, 538862305), (5, 431089844), (10, 215544922), (20, 107772461), (31, 69530620), (62, 34765310), (124, 17382655), (155, 13906124), (310, 6953062), (620, 3476531), (907, 2376460), (1814, 1188230), (3628, 594115), (3833, 562340), (4535, 475292), (7666, 281170), (9070, 237646), (15332, 140585), (18140, 118823), (19165, 112468), (28117, 76660), (38330, 56234)]