4911020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 10766784

約数和(自身を除く): 5855764

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1780, 2759, 5518, 7921, 11036, 13795, 15842, 27590, 31684, 39605, 55180, 79210, 158420, 245551, 491102, 982204, 1227755, 2455510, 4911020]

約数ペア:

[(1, 4911020), (2, 2455510), (4, 1227755), (5, 982204), (10, 491102), (20, 245551), (31, 158420), (62, 79210), (89, 55180), (124, 39605), (155, 31684), (178, 27590), (310, 15842), (356, 13795), (445, 11036), (620, 7921), (890, 5518), (1780, 2759)]