281337321880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2663}}^1\times {\mathrm{85199}}^1$

素因数の和:87904

約数の個数: 64

約数和(自身を含む): 653681664000

約数和(自身を除く): 372344342120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2663, 5326, 10652, 13315, 21304, 26630, 53260, 82553, 85199, 106520, 165106, 170398, 330212, 340796, 412765, 425995, 660424, 681592, 825530, 851990, 1651060, 1703980, 2641169, 3302120, 3407960, 5282338, 10564676, 13205845, 21129352, 26411690, 52823380, 105646760, 226884937, 453769874, 907539748, 1134424685, 1815079496, 2268849370, 4537698740, 7033433047, 9075397480, 14066866094, 28133732188, 35167165235, 56267464376, 70334330470, 140668660940, 281337321880]

約数ペア:

[(1, 281337321880), (2, 140668660940), (4, 70334330470), (5, 56267464376), (8, 35167165235), (10, 28133732188), (20, 14066866094), (31, 9075397480), (40, 7033433047), (62, 4537698740), (124, 2268849370), (155, 1815079496), (248, 1134424685), (310, 907539748), (620, 453769874), (1240, 226884937), (2663, 105646760), (5326, 52823380), (10652, 26411690), (13315, 21129352), (21304, 13205845), (26630, 10564676), (53260, 5282338), (82553, 3407960), (85199, 3302120), (106520, 2641169), (165106, 1703980), (170398, 1651060), (330212, 851990), (340796, 825530), (412765, 681592), (425995, 660424)]