805723646980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{81058717}}^1$

素因数の和:81058804

約数の個数: 48

約数和(自身を含む): 1960972505856

約数和(自身を除く): 1155248858876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 81058717, 162117434, 324234868, 405293585, 567411019, 810587170, 1134822038, 1621174340, 2269644076, 2837055095, 5674110190, 5755168907, 11348220380, 11510337814, 23020675628, 28775844535, 40286182349, 57551689070, 80572364698, 115103378140, 161144729396, 201430911745, 402861823490, 805723646980]

約数ペア:

[(1, 805723646980), (2, 402861823490), (4, 201430911745), (5, 161144729396), (7, 115103378140), (10, 80572364698), (14, 57551689070), (20, 40286182349), (28, 28775844535), (35, 23020675628), (70, 11510337814), (71, 11348220380), (140, 5755168907), (142, 5674110190), (284, 2837055095), (355, 2269644076), (497, 1621174340), (710, 1134822038), (994, 810587170), (1420, 567411019), (1988, 405293585), (2485, 324234868), (4970, 162117434), (9940, 81058717)]