318156680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3863}}^1$

素因数の和:3974

約数の個数: 64

約数和(自身を含む): 751161600

約数和(自身を除く): 433004920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 568, 580, 710, 1160, 1420, 2059, 2840, 3863, 4118, 7726, 8236, 10295, 15452, 16472, 19315, 20590, 30904, 38630, 41180, 77260, 82360, 112027, 154520, 224054, 274273, 448108, 548546, 560135, 896216, 1097092, 1120270, 1371365, 2194184, 2240540, 2742730, 4481080, 5485460, 7953917, 10970920, 15907834, 31815668, 39769585, 63631336, 79539170, 159078340, 318156680]

約数ペア:

[(1, 318156680), (2, 159078340), (4, 79539170), (5, 63631336), (8, 39769585), (10, 31815668), (20, 15907834), (29, 10970920), (40, 7953917), (58, 5485460), (71, 4481080), (116, 2742730), (142, 2240540), (145, 2194184), (232, 1371365), (284, 1120270), (290, 1097092), (355, 896216), (568, 560135), (580, 548546), (710, 448108), (1160, 274273), (1420, 224054), (2059, 154520), (2840, 112027), (3863, 82360), (4118, 77260), (7726, 41180), (8236, 38630), (10295, 30904), (15452, 20590), (16472, 19315)]