285341960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{677}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 661212720

約数和(自身を除く): 375870760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 257, 328, 410, 514, 677, 820, 1028, 1285, 1354, 1640, 2056, 2570, 2708, 3385, 5140, 5416, 6770, 10280, 10537, 13540, 21074, 27080, 27757, 42148, 52685, 55514, 84296, 105370, 111028, 138785, 173989, 210740, 222056, 277570, 347978, 421480, 555140, 695956, 869945, 1110280, 1391912, 1739890, 3479780, 6959560, 7133549, 14267098, 28534196, 35667745, 57068392, 71335490, 142670980, 285341960]

約数ペア:

[(1, 285341960), (2, 142670980), (4, 71335490), (5, 57068392), (8, 35667745), (10, 28534196), (20, 14267098), (40, 7133549), (41, 6959560), (82, 3479780), (164, 1739890), (205, 1391912), (257, 1110280), (328, 869945), (410, 695956), (514, 555140), (677, 421480), (820, 347978), (1028, 277570), (1285, 222056), (1354, 210740), (1640, 173989), (2056, 138785), (2570, 111028), (2708, 105370), (3385, 84296), (5140, 55514), (5416, 52685), (6770, 42148), (10280, 27757), (10537, 27080), (13540, 21074)]