76649470

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 141600960

約数和(自身を除く): 64951490

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 1213, 2426, 6065, 6319, 12130, 12638, 31595, 63190, 86123, 107957, 172246, 215914, 430615, 539785, 861230, 1079570, 7664947, 15329894, 38324735, 76649470]

約数ペア:

[(1, 76649470), (2, 38324735), (5, 15329894), (10, 7664947), (71, 1079570), (89, 861230), (142, 539785), (178, 430615), (355, 215914), (445, 172246), (710, 107957), (890, 86123), (1213, 63190), (2426, 31595), (6065, 12638), (6319, 12130)]