278364380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{6007}}^1$

素因数の和:6354

約数の個数: 48

約数和(自身を含む): 670204416

約数和(自身を除く): 391840036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 1324, 1655, 2317, 3310, 4634, 6007, 6620, 9268, 11585, 12014, 23170, 24028, 30035, 42049, 46340, 60070, 84098, 120140, 168196, 210245, 420490, 840980, 1988317, 3976634, 7953268, 9941585, 13918219, 19883170, 27836438, 39766340, 55672876, 69591095, 139182190, 278364380]

約数ペア:

[(1, 278364380), (2, 139182190), (4, 69591095), (5, 55672876), (7, 39766340), (10, 27836438), (14, 19883170), (20, 13918219), (28, 9941585), (35, 7953268), (70, 3976634), (140, 1988317), (331, 840980), (662, 420490), (1324, 210245), (1655, 168196), (2317, 120140), (3310, 84098), (4634, 60070), (6007, 46340), (6620, 42049), (9268, 30035), (11585, 24028), (12014, 23170)]