87470680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10463}}^1$

素因数の和:10504

約数の個数: 64

約数和(自身を含む): 226022400

約数和(自身を除く): 138551720

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 10463, 20926, 41852, 52315, 83704, 104630, 115093, 198797, 209260, 230186, 397594, 418520, 460372, 575465, 795188, 920744, 993985, 1150930, 1590376, 1987970, 2186767, 2301860, 3975940, 4373534, 4603720, 7951880, 8747068, 10933835, 17494136, 21867670, 43735340, 87470680]

約数ペア:

[(1, 87470680), (2, 43735340), (4, 21867670), (5, 17494136), (8, 10933835), (10, 8747068), (11, 7951880), (19, 4603720), (20, 4373534), (22, 3975940), (38, 2301860), (40, 2186767), (44, 1987970), (55, 1590376), (76, 1150930), (88, 993985), (95, 920744), (110, 795188), (152, 575465), (190, 460372), (209, 418520), (220, 397594), (380, 230186), (418, 209260), (440, 198797), (760, 115093), (836, 104630), (1045, 83704), (1672, 52315), (2090, 41852), (4180, 20926), (8360, 10463)]