324888920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 752220000

約数和(自身を除く): 427331080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 397, 410, 499, 794, 820, 998, 1588, 1640, 1985, 1996, 2495, 3176, 3970, 3992, 4990, 7940, 9980, 15880, 16277, 19960, 20459, 32554, 40918, 65108, 81385, 81836, 102295, 130216, 162770, 163672, 198103, 204590, 325540, 396206, 409180, 651080, 792412, 818360, 990515, 1584824, 1981030, 3962060, 7924120, 8122223, 16244446, 32488892, 40611115, 64977784, 81222230, 162444460, 324888920]

約数ペア:

[(1, 324888920), (2, 162444460), (4, 81222230), (5, 64977784), (8, 40611115), (10, 32488892), (20, 16244446), (40, 8122223), (41, 7924120), (82, 3962060), (164, 1981030), (205, 1584824), (328, 990515), (397, 818360), (410, 792412), (499, 651080), (794, 409180), (820, 396206), (998, 325540), (1588, 204590), (1640, 198103), (1985, 163672), (1996, 162770), (2495, 130216), (3176, 102295), (3970, 81836), (3992, 81385), (4990, 65108), (7940, 40918), (9980, 32554), (15880, 20459), (16277, 19960)]