29004920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1459}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 75686400

約数和(自身を除く): 46681480

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, 1459, 1988, 2485, 2840, 2918, 3976, 4970, 5836, 7295, 9940, 10213, 11672, 14590, 19880, 20426, 29180, 40852, 51065, 58360, 81704, 102130, 103589, 204260, 207178, 408520, 414356, 517945, 725123, 828712, 1035890, 1450246, 2071780, 2900492, 3625615, 4143560, 5800984, 7251230, 14502460, 29004920]

約数ペア:

[(1, 29004920), (2, 14502460), (4, 7251230), (5, 5800984), (7, 4143560), (8, 3625615), (10, 2900492), (14, 2071780), (20, 1450246), (28, 1035890), (35, 828712), (40, 725123), (56, 517945), (70, 414356), (71, 408520), (140, 207178), (142, 204260), (280, 103589), (284, 102130), (355, 81704), (497, 58360), (568, 51065), (710, 40852), (994, 29180), (1420, 20426), (1459, 19880), (1988, 14590), (2485, 11672), (2840, 10213), (2918, 9940), (3976, 7295), (4970, 5836)]