270771820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{13829}}^1$

素因数の和:13938

約数の個数: 48

約数和(自身を含む): 627328800

約数和(自身を除く): 356556980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 13829, 19580, 27658, 55316, 69145, 138290, 152119, 276580, 304238, 608476, 760595, 1230781, 1521190, 2461562, 3042380, 4923124, 6153905, 12307810, 13538591, 24615620, 27077182, 54154364, 67692955, 135385910, 270771820]

約数ペア:

[(1, 270771820), (2, 135385910), (4, 67692955), (5, 54154364), (10, 27077182), (11, 24615620), (20, 13538591), (22, 12307810), (44, 6153905), (55, 4923124), (89, 3042380), (110, 2461562), (178, 1521190), (220, 1230781), (356, 760595), (445, 608476), (890, 304238), (979, 276580), (1780, 152119), (1958, 138290), (3916, 69145), (4895, 55316), (9790, 27658), (13829, 19580)]