205839320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1063}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 478033920

約数和(自身を除く): 272194600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 103, 188, 206, 235, 376, 412, 470, 515, 824, 940, 1030, 1063, 1880, 2060, 2126, 4120, 4252, 4841, 5315, 8504, 9682, 10630, 19364, 21260, 24205, 38728, 42520, 48410, 49961, 96820, 99922, 109489, 193640, 199844, 218978, 249805, 399688, 437956, 499610, 547445, 875912, 999220, 1094890, 1998440, 2189780, 4379560, 5145983, 10291966, 20583932, 25729915, 41167864, 51459830, 102919660, 205839320]

約数ペア:

[(1, 205839320), (2, 102919660), (4, 51459830), (5, 41167864), (8, 25729915), (10, 20583932), (20, 10291966), (40, 5145983), (47, 4379560), (94, 2189780), (103, 1998440), (188, 1094890), (206, 999220), (235, 875912), (376, 547445), (412, 499610), (470, 437956), (515, 399688), (824, 249805), (940, 218978), (1030, 199844), (1063, 193640), (1880, 109489), (2060, 99922), (2126, 96820), (4120, 49961), (4252, 48410), (4841, 42520), (5315, 38728), (8504, 24205), (9682, 21260), (10630, 19364)]