788993480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{9907}}^1$

素因数の和:10110

約数の個数: 64

約数和(自身を含む): 1947516480

約数和(自身を除く): 1158523000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 181, 220, 362, 440, 724, 905, 1448, 1810, 1991, 3620, 3982, 7240, 7964, 9907, 9955, 15928, 19814, 19910, 39628, 39820, 49535, 79256, 79640, 99070, 108977, 198140, 217954, 396280, 435908, 544885, 871816, 1089770, 1793167, 2179540, 3586334, 4359080, 7172668, 8965835, 14345336, 17931670, 19724837, 35863340, 39449674, 71726680, 78899348, 98624185, 157798696, 197248370, 394496740, 788993480]

約数ペア:

[(1, 788993480), (2, 394496740), (4, 197248370), (5, 157798696), (8, 98624185), (10, 78899348), (11, 71726680), (20, 39449674), (22, 35863340), (40, 19724837), (44, 17931670), (55, 14345336), (88, 8965835), (110, 7172668), (181, 4359080), (220, 3586334), (362, 2179540), (440, 1793167), (724, 1089770), (905, 871816), (1448, 544885), (1810, 435908), (1991, 396280), (3620, 217954), (3982, 198140), (7240, 108977), (7964, 99070), (9907, 79640), (9955, 79256), (15928, 49535), (19814, 39820), (19910, 39628)]