2904705790

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:735

約数の個数: 80

約数和(自身を含む): 6134862240

約数和(自身を除く): 3230156450

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 311, 343, 389, 490, 622, 686, 778, 1555, 1715, 1945, 2177, 2401, 2723, 3110, 3430, 3890, 4354, 4802, 5446, 10885, 12005, 13615, 15239, 19061, 21770, 24010, 27230, 30478, 38122, 76195, 95305, 106673, 120979, 133427, 152390, 190610, 213346, 241958, 266854, 533365, 604895, 667135, 746711, 846853, 933989, 1066730, 1209790, 1334270, 1493422, 1693706, 1867978, 3733555, 4234265, 4669945, 5927971, 7467110, 8468530, 9339890, 11855942, 29639855, 41495797, 59279710, 82991594, 207478985, 290470579, 414957970, 580941158, 1452352895, 2904705790]

約数ペア:

[(1, 2904705790), (2, 1452352895), (5, 580941158), (7, 414957970), (10, 290470579), (14, 207478985), (35, 82991594), (49, 59279710), (70, 41495797), (98, 29639855), (245, 11855942), (311, 9339890), (343, 8468530), (389, 7467110), (490, 5927971), (622, 4669945), (686, 4234265), (778, 3733555), (1555, 1867978), (1715, 1693706), (1945, 1493422), (2177, 1334270), (2401, 1209790), (2723, 1066730), (3110, 933989), (3430, 846853), (3890, 746711), (4354, 667135), (4802, 604895), (5446, 533365), (10885, 266854), (12005, 241958), (13615, 213346), (15239, 190610), (19061, 152390), (21770, 133427), (24010, 120979), (27230, 106673), (30478, 95305), (38122, 76195)]