247013480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 661236480

約数和(自身を除く): 414223000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 113, 140, 148, 185, 211, 226, 259, 280, 296, 370, 422, 452, 518, 565, 740, 791, 844, 904, 1036, 1055, 1130, 1295, 1477, 1480, 1582, 1688, 2072, 2110, 2260, 2590, 2954, 3164, 3955, 4181, 4220, 4520, 5180, 5908, 6328, 7385, 7807, 7910, 8362, 8440, 10360, 11816, 14770, 15614, 15820, 16724, 20905, 23843, 29267, 29540, 31228, 31640, 33448, 39035, 41810, 47686, 54649, 58534, 59080, 62456, 78070, 83620, 95372, 109298, 117068, 119215, 146335, 156140, 166901, 167240, 190744, 218596, 234136, 238430, 273245, 292670, 312280, 333802, 437192, 476860, 546490, 585340, 667604, 834505, 882191, 953720, 1092980, 1170680, 1335208, 1669010, 1764382, 2185960, 3338020, 3528764, 4410955, 6175337, 6676040, 7057528, 8821910, 12350674, 17643820, 24701348, 30876685, 35287640, 49402696, 61753370, 123506740, 247013480]

約数ペア:

[(1, 247013480), (2, 123506740), (4, 61753370), (5, 49402696), (7, 35287640), (8, 30876685), (10, 24701348), (14, 17643820), (20, 12350674), (28, 8821910), (35, 7057528), (37, 6676040), (40, 6175337), (56, 4410955), (70, 3528764), (74, 3338020), (113, 2185960), (140, 1764382), (148, 1669010), (185, 1335208), (211, 1170680), (226, 1092980), (259, 953720), (280, 882191), (296, 834505), (370, 667604), (422, 585340), (452, 546490), (518, 476860), (565, 437192), (740, 333802), (791, 312280), (844, 292670), (904, 273245), (1036, 238430), (1055, 234136), (1130, 218596), (1295, 190744), (1477, 167240), (1480, 166901), (1582, 156140), (1688, 146335), (2072, 119215), (2110, 117068), (2260, 109298), (2590, 95372), (2954, 83620), (3164, 78070), (3955, 62456), (4181, 59080), (4220, 58534), (4520, 54649), (5180, 47686), (5908, 41810), (6328, 39035), (7385, 33448), (7807, 31640), (7910, 31228), (8362, 29540), (8440, 29267), (10360, 23843), (11816, 20905), (14770, 16724), (15614, 15820)]