201981670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{2113}}^1$

素因数の和:2221

約数の個数: 48

約数和(自身を含む): 404873280

約数和(自身を除く): 202891610

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 121, 158, 242, 395, 605, 790, 869, 1210, 1738, 2113, 4226, 4345, 8690, 9559, 10565, 19118, 21130, 23243, 46486, 47795, 95590, 116215, 166927, 232430, 255673, 333854, 511346, 834635, 1278365, 1669270, 1836197, 2556730, 3672394, 9180985, 18361970, 20198167, 40396334, 100990835, 201981670]

約数ペア:

[(1, 201981670), (2, 100990835), (5, 40396334), (10, 20198167), (11, 18361970), (22, 9180985), (55, 3672394), (79, 2556730), (110, 1836197), (121, 1669270), (158, 1278365), (242, 834635), (395, 511346), (605, 333854), (790, 255673), (869, 232430), (1210, 166927), (1738, 116215), (2113, 95590), (4226, 47795), (4345, 46486), (8690, 23243), (9559, 21130), (10565, 19118)]