239399240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1171}}^1$

素因数の和:1470

約数の個数: 64

約数和(自身を含む): 569592000

約数和(自身を除く): 330192760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 269, 380, 538, 760, 1076, 1171, 1345, 2152, 2342, 2690, 4684, 5111, 5380, 5855, 9368, 10222, 10760, 11710, 20444, 22249, 23420, 25555, 40888, 44498, 46840, 51110, 88996, 102220, 111245, 177992, 204440, 222490, 314999, 444980, 629998, 889960, 1259996, 1574995, 2519992, 3149990, 5984981, 6299980, 11969962, 12599960, 23939924, 29924905, 47879848, 59849810, 119699620, 239399240]

約数ペア:

[(1, 239399240), (2, 119699620), (4, 59849810), (5, 47879848), (8, 29924905), (10, 23939924), (19, 12599960), (20, 11969962), (38, 6299980), (40, 5984981), (76, 3149990), (95, 2519992), (152, 1574995), (190, 1259996), (269, 889960), (380, 629998), (538, 444980), (760, 314999), (1076, 222490), (1171, 204440), (1345, 177992), (2152, 111245), (2342, 102220), (2690, 88996), (4684, 51110), (5111, 46840), (5380, 44498), (5855, 40888), (9368, 25555), (10222, 23420), (10760, 22249), (11710, 20444)]