538431380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 1221986304

約数和(自身を除く): 683554924

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 163, 167, 172, 215, 230, 326, 334, 430, 460, 652, 668, 815, 835, 860, 989, 1630, 1670, 1978, 3260, 3340, 3749, 3841, 3956, 4945, 7009, 7181, 7498, 7682, 9890, 14018, 14362, 14996, 15364, 18745, 19205, 19780, 27221, 28036, 28724, 35045, 35905, 37490, 38410, 54442, 70090, 71810, 74980, 76820, 108884, 136105, 140180, 143620, 161207, 165163, 272210, 322414, 330326, 544420, 626083, 644828, 660652, 806035, 825815, 1170503, 1252166, 1612070, 1651630, 2341006, 2504332, 3130415, 3224140, 3303260, 4682012, 5852515, 6260830, 11705030, 12521660, 23410060, 26921569, 53843138, 107686276, 134607845, 269215690, 538431380]

約数ペア:

[(1, 538431380), (2, 269215690), (4, 134607845), (5, 107686276), (10, 53843138), (20, 26921569), (23, 23410060), (43, 12521660), (46, 11705030), (86, 6260830), (92, 5852515), (115, 4682012), (163, 3303260), (167, 3224140), (172, 3130415), (215, 2504332), (230, 2341006), (326, 1651630), (334, 1612070), (430, 1252166), (460, 1170503), (652, 825815), (668, 806035), (815, 660652), (835, 644828), (860, 626083), (989, 544420), (1630, 330326), (1670, 322414), (1978, 272210), (3260, 165163), (3340, 161207), (3749, 143620), (3841, 140180), (3956, 136105), (4945, 108884), (7009, 76820), (7181, 74980), (7498, 71810), (7682, 70090), (9890, 54442), (14018, 38410), (14362, 37490), (14996, 35905), (15364, 35045), (18745, 28724), (19205, 28036), (19780, 27221)]