89958980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{727}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 198132480

約数和(自身を除く): 108173500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 269, 460, 538, 727, 1076, 1345, 1454, 2690, 2908, 3635, 5380, 6187, 7270, 12374, 14540, 16721, 24748, 30935, 33442, 61870, 66884, 83605, 123740, 167210, 195563, 334420, 391126, 782252, 977815, 1955630, 3911260, 4497949, 8995898, 17991796, 22489745, 44979490, 89958980]

約数ペア:

[(1, 89958980), (2, 44979490), (4, 22489745), (5, 17991796), (10, 8995898), (20, 4497949), (23, 3911260), (46, 1955630), (92, 977815), (115, 782252), (230, 391126), (269, 334420), (460, 195563), (538, 167210), (727, 123740), (1076, 83605), (1345, 66884), (1454, 61870), (2690, 33442), (2908, 30935), (3635, 24748), (5380, 16721), (6187, 14540), (7270, 12374)]