728314990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3167}}^1$

素因数の和:3277

約数の個数: 64

約数和(自身を含む): 1484904960

約数和(自身を除く): 756589970

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 61, 65, 122, 130, 145, 290, 305, 377, 610, 754, 793, 1586, 1769, 1885, 3167, 3538, 3770, 3965, 6334, 7930, 8845, 15835, 17690, 22997, 31670, 41171, 45994, 82342, 91843, 114985, 183686, 193187, 205855, 229970, 386374, 411710, 459215, 918430, 965935, 1193959, 1931870, 2387918, 2511431, 5022862, 5602423, 5969795, 11204846, 11939590, 12557155, 25114310, 28012115, 56024230, 72831499, 145662998, 364157495, 728314990]

約数ペア:

[(1, 728314990), (2, 364157495), (5, 145662998), (10, 72831499), (13, 56024230), (26, 28012115), (29, 25114310), (58, 12557155), (61, 11939590), (65, 11204846), (122, 5969795), (130, 5602423), (145, 5022862), (290, 2511431), (305, 2387918), (377, 1931870), (610, 1193959), (754, 965935), (793, 918430), (1586, 459215), (1769, 411710), (1885, 386374), (3167, 229970), (3538, 205855), (3770, 193187), (3965, 183686), (6334, 114985), (7930, 91843), (8845, 82342), (15835, 45994), (17690, 41171), (22997, 31670)]