921207440

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{677}}^1$

素因数の和:996

約数の個数: 80

約数和(自身を含む): 2183686128

約数和(自身を除く): 1262478688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 233, 292, 365, 466, 584, 677, 730, 932, 1165, 1168, 1354, 1460, 1864, 2330, 2708, 2920, 3385, 3728, 4660, 5416, 5840, 6770, 9320, 10832, 13540, 17009, 18640, 27080, 34018, 49421, 54160, 68036, 85045, 98842, 136072, 157741, 170090, 197684, 247105, 272144, 315482, 340180, 395368, 494210, 630964, 680360, 788705, 790736, 988420, 1261928, 1360720, 1577410, 1976840, 2523856, 3154820, 3953680, 6309640, 11515093, 12619280, 23030186, 46060372, 57575465, 92120744, 115150930, 184241488, 230301860, 460603720, 921207440]

約数ペア:

[(1, 921207440), (2, 460603720), (4, 230301860), (5, 184241488), (8, 115150930), (10, 92120744), (16, 57575465), (20, 46060372), (40, 23030186), (73, 12619280), (80, 11515093), (146, 6309640), (233, 3953680), (292, 3154820), (365, 2523856), (466, 1976840), (584, 1577410), (677, 1360720), (730, 1261928), (932, 988420), (1165, 790736), (1168, 788705), (1354, 680360), (1460, 630964), (1864, 494210), (2330, 395368), (2708, 340180), (2920, 315482), (3385, 272144), (3728, 247105), (4660, 197684), (5416, 170090), (5840, 157741), (6770, 136072), (9320, 98842), (10832, 85045), (13540, 68036), (17009, 54160), (18640, 49421), (27080, 34018)]