386089480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19421}}^1$

素因数の和:19510

約数の個数: 64

約数和(自身を含む): 1006836480

約数和(自身を除く): 620747000

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, 1988, 2485, 2840, 3976, 4970, 9940, 19421, 19880, 38842, 77684, 97105, 135947, 155368, 194210, 271894, 388420, 543788, 679735, 776840, 1087576, 1359470, 1378891, 2718940, 2757782, 5437880, 5515564, 6894455, 9652237, 11031128, 13788910, 19304474, 27577820, 38608948, 48261185, 55155640, 77217896, 96522370, 193044740, 386089480]

約数ペア:

[(1, 386089480), (2, 193044740), (4, 96522370), (5, 77217896), (7, 55155640), (8, 48261185), (10, 38608948), (14, 27577820), (20, 19304474), (28, 13788910), (35, 11031128), (40, 9652237), (56, 6894455), (70, 5515564), (71, 5437880), (140, 2757782), (142, 2718940), (280, 1378891), (284, 1359470), (355, 1087576), (497, 776840), (568, 679735), (710, 543788), (994, 388420), (1420, 271894), (1988, 194210), (2485, 155368), (2840, 135947), (3976, 97105), (4970, 77684), (9940, 38842), (19421, 19880)]