304895000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 762459060

約数和(自身を除く): 457564060

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 211, 250, 289, 340, 422, 425, 500, 578, 625, 680, 844, 850, 1000, 1055, 1156, 1250, 1445, 1688, 1700, 2110, 2125, 2312, 2500, 2890, 3400, 3587, 4220, 4250, 5000, 5275, 5780, 7174, 7225, 8440, 8500, 10550, 10625, 11560, 14348, 14450, 17000, 17935, 21100, 21250, 26375, 28696, 28900, 35870, 36125, 42200, 42500, 52750, 57800, 60979, 71740, 72250, 85000, 89675, 105500, 121958, 131875, 143480, 144500, 179350, 180625, 211000, 243916, 263750, 289000, 304895, 358700, 361250, 448375, 487832, 527500, 609790, 717400, 722500, 896750, 1055000, 1219580, 1445000, 1524475, 1793500, 2241875, 2439160, 3048950, 3587000, 4483750, 6097900, 7622375, 8967500, 12195800, 15244750, 17935000, 30489500, 38111875, 60979000, 76223750, 152447500, 304895000]

約数ペア:

[(1, 304895000), (2, 152447500), (4, 76223750), (5, 60979000), (8, 38111875), (10, 30489500), (17, 17935000), (20, 15244750), (25, 12195800), (34, 8967500), (40, 7622375), (50, 6097900), (68, 4483750), (85, 3587000), (100, 3048950), (125, 2439160), (136, 2241875), (170, 1793500), (200, 1524475), (211, 1445000), (250, 1219580), (289, 1055000), (340, 896750), (422, 722500), (425, 717400), (500, 609790), (578, 527500), (625, 487832), (680, 448375), (844, 361250), (850, 358700), (1000, 304895), (1055, 289000), (1156, 263750), (1250, 243916), (1445, 211000), (1688, 180625), (1700, 179350), (2110, 144500), (2125, 143480), (2312, 131875), (2500, 121958), (2890, 105500), (3400, 89675), (3587, 85000), (4220, 72250), (4250, 71740), (5000, 60979), (5275, 57800), (5780, 52750), (7174, 42500), (7225, 42200), (8440, 36125), (8500, 35870), (10550, 28900), (10625, 28696), (11560, 26375), (14348, 21250), (14450, 21100), (17000, 17935)]