28708600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 70542360

約数和(自身を除く): 41833760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 79, 92, 100, 115, 158, 184, 200, 230, 316, 395, 460, 575, 632, 790, 920, 1150, 1580, 1817, 1975, 2300, 3160, 3634, 3950, 4600, 6241, 7268, 7900, 9085, 12482, 14536, 15800, 18170, 24964, 31205, 36340, 45425, 49928, 62410, 72680, 90850, 124820, 143543, 156025, 181700, 249640, 287086, 312050, 363400, 574172, 624100, 717715, 1148344, 1248200, 1435430, 2870860, 3588575, 5741720, 7177150, 14354300, 28708600]

約数ペア:

[(1, 28708600), (2, 14354300), (4, 7177150), (5, 5741720), (8, 3588575), (10, 2870860), (20, 1435430), (23, 1248200), (25, 1148344), (40, 717715), (46, 624100), (50, 574172), (79, 363400), (92, 312050), (100, 287086), (115, 249640), (158, 181700), (184, 156025), (200, 143543), (230, 124820), (316, 90850), (395, 72680), (460, 62410), (575, 49928), (632, 45425), (790, 36340), (920, 31205), (1150, 24964), (1580, 18170), (1817, 15800), (1975, 14536), (2300, 12482), (3160, 9085), (3634, 7900), (3950, 7268), (4600, 6241)]