179337580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 405170640

約数和(自身を除く): 225833060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 361, 380, 421, 590, 722, 842, 1121, 1180, 1444, 1684, 1805, 2105, 2242, 3610, 4210, 4484, 5605, 7220, 7999, 8420, 11210, 15998, 21299, 22420, 24839, 31996, 39995, 42598, 49678, 79990, 85196, 99356, 106495, 124195, 151981, 159980, 212990, 248390, 303962, 425980, 471941, 496780, 607924, 759905, 943882, 1519810, 1887764, 2359705, 3039620, 4719410, 8966879, 9438820, 17933758, 35867516, 44834395, 89668790, 179337580]

約数ペア:

[(1, 179337580), (2, 89668790), (4, 44834395), (5, 35867516), (10, 17933758), (19, 9438820), (20, 8966879), (38, 4719410), (59, 3039620), (76, 2359705), (95, 1887764), (118, 1519810), (190, 943882), (236, 759905), (295, 607924), (361, 496780), (380, 471941), (421, 425980), (590, 303962), (722, 248390), (842, 212990), (1121, 159980), (1180, 151981), (1444, 124195), (1684, 106495), (1805, 99356), (2105, 85196), (2242, 79990), (3610, 49678), (4210, 42598), (4484, 39995), (5605, 31996), (7220, 24839), (7999, 22420), (8420, 21299), (11210, 15998)]