381420860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1\times {\mathrm{613}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 818820576

約数和(自身を除く): 437399716

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 587, 613, 1060, 1174, 1226, 2348, 2452, 2935, 3065, 5870, 6130, 11740, 12260, 31111, 32489, 62222, 64978, 124444, 129956, 155555, 162445, 311110, 324890, 359831, 622220, 649780, 719662, 1439324, 1799155, 3598310, 7196620, 19071043, 38142086, 76284172, 95355215, 190710430, 381420860]

約数ペア:

[(1, 381420860), (2, 190710430), (4, 95355215), (5, 76284172), (10, 38142086), (20, 19071043), (53, 7196620), (106, 3598310), (212, 1799155), (265, 1439324), (530, 719662), (587, 649780), (613, 622220), (1060, 359831), (1174, 324890), (1226, 311110), (2348, 162445), (2452, 155555), (2935, 129956), (3065, 124444), (5870, 64978), (6130, 62222), (11740, 32489), (12260, 31111)]