17389612520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{874729}}^1$

素因数の和:874818

約数の個数: 64

約数和(自身を含む): 45346003200

約数和(自身を除く): 27956390680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 874729, 1749458, 3498916, 4373645, 6123103, 6997832, 8747290, 12246206, 17494580, 24492412, 30615515, 34989160, 48984824, 61231030, 62105759, 122462060, 124211518, 244924120, 248423036, 310528795, 434740313, 496846072, 621057590, 869480626, 1242115180, 1738961252, 2173701565, 2484230360, 3477922504, 4347403130, 8694806260, 17389612520]

約数ペア:

[(1, 17389612520), (2, 8694806260), (4, 4347403130), (5, 3477922504), (7, 2484230360), (8, 2173701565), (10, 1738961252), (14, 1242115180), (20, 869480626), (28, 621057590), (35, 496846072), (40, 434740313), (56, 310528795), (70, 248423036), (71, 244924120), (140, 124211518), (142, 122462060), (280, 62105759), (284, 61231030), (355, 48984824), (497, 34989160), (568, 30615515), (710, 24492412), (994, 17494580), (1420, 12246206), (1988, 8747290), (2485, 6997832), (2840, 6123103), (3976, 4373645), (4970, 3498916), (9940, 1749458), (19880, 874729)]