393354640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3329}}^1$

素因数の和:3560

約数の個数: 80

約数和(自身を含む): 1050468480

約数和(自身を除く): 657113840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 560, 844, 1055, 1477, 1688, 2110, 2954, 3329, 3376, 4220, 5908, 6658, 7385, 8440, 11816, 13316, 14770, 16645, 16880, 23303, 23632, 26632, 29540, 33290, 46606, 53264, 59080, 66580, 93212, 116515, 118160, 133160, 186424, 233030, 266320, 372848, 466060, 702419, 932120, 1404838, 1864240, 2809676, 3512095, 4916933, 5619352, 7024190, 9833866, 11238704, 14048380, 19667732, 24584665, 28096760, 39335464, 49169330, 56193520, 78670928, 98338660, 196677320, 393354640]

約数ペア:

[(1, 393354640), (2, 196677320), (4, 98338660), (5, 78670928), (7, 56193520), (8, 49169330), (10, 39335464), (14, 28096760), (16, 24584665), (20, 19667732), (28, 14048380), (35, 11238704), (40, 9833866), (56, 7024190), (70, 5619352), (80, 4916933), (112, 3512095), (140, 2809676), (211, 1864240), (280, 1404838), (422, 932120), (560, 702419), (844, 466060), (1055, 372848), (1477, 266320), (1688, 233030), (2110, 186424), (2954, 133160), (3329, 118160), (3376, 116515), (4220, 93212), (5908, 66580), (6658, 59080), (7385, 53264), (8440, 46606), (11816, 33290), (13316, 29540), (14770, 26632), (16645, 23632), (16880, 23303)]