312002920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{2477}}^1$

素因数の和:2602

約数の個数: 64

約数和(自身を含む): 727937280

約数和(自身を除く): 415934360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 67, 94, 134, 188, 235, 268, 335, 376, 470, 536, 670, 940, 1340, 1880, 2477, 2680, 3149, 4954, 6298, 9908, 12385, 12596, 15745, 19816, 24770, 25192, 31490, 49540, 62980, 99080, 116419, 125960, 165959, 232838, 331918, 465676, 582095, 663836, 829795, 931352, 1164190, 1327672, 1659590, 2328380, 3319180, 4656760, 6638360, 7800073, 15600146, 31200292, 39000365, 62400584, 78000730, 156001460, 312002920]

約数ペア:

[(1, 312002920), (2, 156001460), (4, 78000730), (5, 62400584), (8, 39000365), (10, 31200292), (20, 15600146), (40, 7800073), (47, 6638360), (67, 4656760), (94, 3319180), (134, 2328380), (188, 1659590), (235, 1327672), (268, 1164190), (335, 931352), (376, 829795), (470, 663836), (536, 582095), (670, 465676), (940, 331918), (1340, 232838), (1880, 165959), (2477, 125960), (2680, 116419), (3149, 99080), (4954, 62980), (6298, 49540), (9908, 31490), (12385, 25192), (12596, 24770), (15745, 19816)]