197798480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{224771}}^1$

素因数の和:224795

約数の個数: 40

約数和(自身を含む): 501691104

約数和(自身を除く): 303892624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 224771, 449542, 899084, 1123855, 1798168, 2247710, 2472481, 3596336, 4495420, 4944962, 8990840, 9889924, 12362405, 17981680, 19779848, 24724810, 39559696, 49449620, 98899240, 197798480]

約数ペア:

[(1, 197798480), (2, 98899240), (4, 49449620), (5, 39559696), (8, 24724810), (10, 19779848), (11, 17981680), (16, 12362405), (20, 9889924), (22, 8990840), (40, 4944962), (44, 4495420), (55, 3596336), (80, 2472481), (88, 2247710), (110, 1798168), (176, 1123855), (220, 899084), (440, 449542), (880, 224771)]