401133780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2228521}}^1$

素因数の和:2228536

約数の個数: 36

約数和(自身を含む): 1216773012

約数和(自身を除く): 815639232

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2228521, 4457042, 6685563, 8914084, 11142605, 13371126, 20056689, 22285210, 26742252, 33427815, 40113378, 44570420, 66855630, 80226756, 100283445, 133711260, 200566890, 401133780]

約数ペア:

[(1, 401133780), (2, 200566890), (3, 133711260), (4, 100283445), (5, 80226756), (6, 66855630), (9, 44570420), (10, 40113378), (12, 33427815), (15, 26742252), (18, 22285210), (20, 20056689), (30, 13371126), (36, 11142605), (45, 8914084), (60, 6685563), (90, 4457042), (180, 2228521)]