549658398640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1993}}^1\times {\mathrm{20399}}^1$

素因数の和:22431

約数の個数: 120

約数和(自身を含む): 1384584148800

約数和(自身を除く): 834925750160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 1993, 2704, 3380, 3986, 6760, 7972, 9965, 13520, 15944, 19930, 20399, 25909, 31888, 39860, 40798, 51818, 79720, 81596, 101995, 103636, 129545, 159440, 163192, 203990, 207272, 259090, 265187, 326384, 336817, 407980, 414544, 518180, 530374, 673634, 815960, 1036360, 1060748, 1325935, 1347268, 1631920, 1684085, 2072720, 2121496, 2651870, 2694536, 3368170, 3447431, 4242992, 5303740, 5389072, 6736340, 6894862, 10607480, 13472680, 13789724, 17237155, 21214960, 26945360, 27579448, 34474310, 40655207, 55158896, 68948620, 81310414, 137897240, 162620828, 203276035, 275794480, 325241656, 406552070, 528517691, 650483312, 813104140, 1057035382, 1626208280, 2114070764, 2642588455, 3252416560, 4228141528, 5285176910, 6870729983, 8456283056, 10570353820, 13741459966, 21140707640, 27482919932, 34353649915, 42281415280, 54965839864, 68707299830, 109931679728, 137414599660, 274829199320, 549658398640]

約数ペア:

[(1, 549658398640), (2, 274829199320), (4, 137414599660), (5, 109931679728), (8, 68707299830), (10, 54965839864), (13, 42281415280), (16, 34353649915), (20, 27482919932), (26, 21140707640), (40, 13741459966), (52, 10570353820), (65, 8456283056), (80, 6870729983), (104, 5285176910), (130, 4228141528), (169, 3252416560), (208, 2642588455), (260, 2114070764), (338, 1626208280), (520, 1057035382), (676, 813104140), (845, 650483312), (1040, 528517691), (1352, 406552070), (1690, 325241656), (1993, 275794480), (2704, 203276035), (3380, 162620828), (3986, 137897240), (6760, 81310414), (7972, 68948620), (9965, 55158896), (13520, 40655207), (15944, 34474310), (19930, 27579448), (20399, 26945360), (25909, 21214960), (31888, 17237155), (39860, 13789724), (40798, 13472680), (51818, 10607480), (79720, 6894862), (81596, 6736340), (101995, 5389072), (103636, 5303740), (129545, 4242992), (159440, 3447431), (163192, 3368170), (203990, 2694536), (207272, 2651870), (259090, 2121496), (265187, 2072720), (326384, 1684085), (336817, 1631920), (407980, 1347268), (414544, 1325935), (518180, 1060748), (530374, 1036360), (673634, 815960)]