310815920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{125329}}^1$

素因数の和:125373

約数の個数: 40

約数和(自身を含む): 745964160

約数和(自身を除く): 435148240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 125329, 250658, 501316, 626645, 1002632, 1253290, 2005264, 2506580, 3885199, 5013160, 7770398, 10026320, 15540796, 19425995, 31081592, 38851990, 62163184, 77703980, 155407960, 310815920]

約数ペア:

[(1, 310815920), (2, 155407960), (4, 77703980), (5, 62163184), (8, 38851990), (10, 31081592), (16, 19425995), (20, 15540796), (31, 10026320), (40, 7770398), (62, 5013160), (80, 3885199), (124, 2506580), (155, 2005264), (248, 1253290), (310, 1002632), (496, 626645), (620, 501316), (1240, 250658), (2480, 125329)]