204564680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{467}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 473091840

約数和(自身を除く): 268527160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 233, 235, 376, 466, 467, 470, 932, 934, 940, 1165, 1864, 1868, 1880, 2330, 2335, 3736, 4660, 4670, 9320, 9340, 10951, 18680, 21902, 21949, 43804, 43898, 54755, 87608, 87796, 108811, 109510, 109745, 175592, 217622, 219020, 219490, 435244, 438040, 438980, 544055, 870488, 877960, 1088110, 2176220, 4352440, 5114117, 10228234, 20456468, 25570585, 40912936, 51141170, 102282340, 204564680]

約数ペア:

[(1, 204564680), (2, 102282340), (4, 51141170), (5, 40912936), (8, 25570585), (10, 20456468), (20, 10228234), (40, 5114117), (47, 4352440), (94, 2176220), (188, 1088110), (233, 877960), (235, 870488), (376, 544055), (466, 438980), (467, 438040), (470, 435244), (932, 219490), (934, 219020), (940, 217622), (1165, 175592), (1864, 109745), (1868, 109510), (1880, 108811), (2330, 87796), (2335, 87608), (3736, 54755), (4660, 43898), (4670, 43804), (9320, 21949), (9340, 21902), (10951, 18680)]