203558420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11027}}^1$

素因数の和:11120

約数の個数: 48

約数和(自身を含む): 466881408

約数和(自身を除く): 263322988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 11027, 18460, 22054, 44108, 55135, 110270, 143351, 220540, 286702, 573404, 716755, 782917, 1433510, 1565834, 2867020, 3131668, 3914585, 7829170, 10177921, 15658340, 20355842, 40711684, 50889605, 101779210, 203558420]

約数ペア:

[(1, 203558420), (2, 101779210), (4, 50889605), (5, 40711684), (10, 20355842), (13, 15658340), (20, 10177921), (26, 7829170), (52, 3914585), (65, 3131668), (71, 2867020), (130, 1565834), (142, 1433510), (260, 782917), (284, 716755), (355, 573404), (710, 286702), (923, 220540), (1420, 143351), (1846, 110270), (3692, 55135), (4615, 44108), (9230, 22054), (11027, 18460)]