201618440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{971}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 472392000

約数和(自身を除く): 270773560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 179, 232, 290, 358, 580, 716, 895, 971, 1160, 1432, 1790, 1942, 3580, 3884, 4855, 5191, 7160, 7768, 9710, 10382, 19420, 20764, 25955, 28159, 38840, 41528, 51910, 56318, 103820, 112636, 140795, 173809, 207640, 225272, 281590, 347618, 563180, 695236, 869045, 1126360, 1390472, 1738090, 3476180, 5040461, 6952360, 10080922, 20161844, 25202305, 40323688, 50404610, 100809220, 201618440]

約数ペア:

[(1, 201618440), (2, 100809220), (4, 50404610), (5, 40323688), (8, 25202305), (10, 20161844), (20, 10080922), (29, 6952360), (40, 5040461), (58, 3476180), (116, 1738090), (145, 1390472), (179, 1126360), (232, 869045), (290, 695236), (358, 563180), (580, 347618), (716, 281590), (895, 225272), (971, 207640), (1160, 173809), (1432, 140795), (1790, 112636), (1942, 103820), (3580, 56318), (3884, 51910), (4855, 41528), (5191, 38840), (7160, 28159), (7768, 25955), (9710, 20764), (10382, 19420)]