313865420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{18059}}^1$

素因数の和:18158

約数の個数: 48

約数和(自身を含む): 728179200

約数和(自身を除く): 414313780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 18059, 36118, 72236, 90295, 180590, 198649, 361180, 397298, 794596, 993245, 1426661, 1986490, 2853322, 3972980, 5706644, 7133305, 14266610, 15693271, 28533220, 31386542, 62773084, 78466355, 156932710, 313865420]

約数ペア:

[(1, 313865420), (2, 156932710), (4, 78466355), (5, 62773084), (10, 31386542), (11, 28533220), (20, 15693271), (22, 14266610), (44, 7133305), (55, 5706644), (79, 3972980), (110, 2853322), (158, 1986490), (220, 1426661), (316, 993245), (395, 794596), (790, 397298), (869, 361180), (1580, 198649), (1738, 180590), (3476, 90295), (4345, 72236), (8690, 36118), (17380, 18059)]