321983.0000000

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 24494400

約数和(自身を除く): 14737640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 647, 754, 1160, 1294, 1508, 1885, 2588, 3016, 3235, 3770, 5176, 6470, 7540, 8411, 12940, 15080, 16822, 18763, 25880, 33644, 37526, 42055, 67288, 75052, 84110, 93815, 150104, 168220, 187630, 243919, 336440, 375260, 487838, 750520, 975676, 1219595, 1951352, 2439190, 4878380, 9756760]

約数ペア:

[(1, 9756760), (2, 4878380), (4, 2439190), (5, 1951352), (8, 1219595), (10, 975676), (13, 750520), (20, 487838), (26, 375260), (29, 336440), (40, 243919), (52, 187630), (58, 168220), (65, 150104), (104, 93815), (116, 84110), (130, 75052), (145, 67288), (232, 42055), (260, 37526), (290, 33644), (377, 25880), (520, 18763), (580, 16822), (647, 15080), (754, 12940), (1160, 8411), (1294, 7540), (1508, 6470), (1885, 5176), (2588, 3770), (3016, 3235)]