210949750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 436700160

約数和(自身を除く): 225750410

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 125, 158, 250, 275, 395, 550, 790, 869, 971, 1375, 1738, 1942, 1975, 2750, 3950, 4345, 4855, 8690, 9710, 9875, 10681, 19750, 21362, 21725, 24275, 43450, 48550, 53405, 76709, 106810, 108625, 121375, 153418, 217250, 242750, 267025, 383545, 534050, 767090, 843799, 1335125, 1687598, 1917725, 2670250, 3835450, 4218995, 8437990, 9588625, 19177250, 21094975, 42189950, 105474875, 210949750]

約数ペア:

[(1, 210949750), (2, 105474875), (5, 42189950), (10, 21094975), (11, 19177250), (22, 9588625), (25, 8437990), (50, 4218995), (55, 3835450), (79, 2670250), (110, 1917725), (125, 1687598), (158, 1335125), (250, 843799), (275, 767090), (395, 534050), (550, 383545), (790, 267025), (869, 242750), (971, 217250), (1375, 153418), (1738, 121375), (1942, 108625), (1975, 106810), (2750, 76709), (3950, 53405), (4345, 48550), (4855, 43450), (8690, 24275), (9710, 21725), (9875, 21362), (10681, 19750)]