84379900

素因数分解:

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

素因数の和:1075

約数の個数: 72

約数和(自身を含む): 202487040

約数和(自身を除く): 118107140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 790, 869, 971, 1100, 1580, 1738, 1942, 1975, 3476, 3884, 3950, 4345, 4855, 7900, 8690, 9710, 10681, 17380, 19420, 21362, 21725, 24275, 42724, 43450, 48550, 53405, 76709, 86900, 97100, 106810, 153418, 213620, 267025, 306836, 383545, 534050, 767090, 843799, 1068100, 1534180, 1687598, 1917725, 3375196, 3835450, 4218995, 7670900, 8437990, 16875980, 21094975, 42189950, 84379900]

約数ペア:

[(1, 84379900), (2, 42189950), (4, 21094975), (5, 16875980), (10, 8437990), (11, 7670900), (20, 4218995), (22, 3835450), (25, 3375196), (44, 1917725), (50, 1687598), (55, 1534180), (79, 1068100), (100, 843799), (110, 767090), (158, 534050), (220, 383545), (275, 306836), (316, 267025), (395, 213620), (550, 153418), (790, 106810), (869, 97100), (971, 86900), (1100, 76709), (1580, 53405), (1738, 48550), (1942, 43450), (1975, 42724), (3476, 24275), (3884, 21725), (3950, 21362), (4345, 19420), (4855, 17380), (7900, 10681), (8690, 9710)]