400949880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{12421}}^1$

素因数の和:12704

約数の個数: 64

約数和(自身を含む): 1207418400

約数和(自身を除く): 806468520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 807, 1076, 1345, 1614, 2152, 2690, 3228, 4035, 5380, 6456, 8070, 10760, 12421, 16140, 24842, 32280, 37263, 49684, 62105, 74526, 99368, 124210, 149052, 186315, 248420, 298104, 372630, 496840, 745260, 1490520, 3341249, 6682498, 10023747, 13364996, 16706245, 20047494, 26729992, 33412490, 40094988, 50118735, 66824980, 80189976, 100237470, 133649960, 200474940, 400949880]

約数ペア:

[(1, 400949880), (2, 200474940), (3, 133649960), (4, 100237470), (5, 80189976), (6, 66824980), (8, 50118735), (10, 40094988), (12, 33412490), (15, 26729992), (20, 20047494), (24, 16706245), (30, 13364996), (40, 10023747), (60, 6682498), (120, 3341249), (269, 1490520), (538, 745260), (807, 496840), (1076, 372630), (1345, 298104), (1614, 248420), (2152, 186315), (2690, 149052), (3228, 124210), (4035, 99368), (5380, 74526), (6456, 62105), (8070, 49684), (10760, 37263), (12421, 32280), (16140, 24842)]