91274420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 195426000

約数和(自身を除く): 104151580

約数列:

[1, 2, 4, 5, 10, 20, 109, 149, 218, 281, 298, 436, 545, 562, 596, 745, 1090, 1124, 1405, 1490, 2180, 2810, 2980, 5620, 16241, 30629, 32482, 41869, 61258, 64964, 81205, 83738, 122516, 153145, 162410, 167476, 209345, 306290, 324820, 418690, 612580, 837380, 4563721, 9127442, 18254884, 22818605, 45637210, 91274420]

約数ペア:

[(1, 91274420), (2, 45637210), (4, 22818605), (5, 18254884), (10, 9127442), (20, 4563721), (109, 837380), (149, 612580), (218, 418690), (281, 324820), (298, 306290), (436, 209345), (545, 167476), (562, 162410), (596, 153145), (745, 122516), (1090, 83738), (1124, 81205), (1405, 64964), (1490, 61258), (2180, 41869), (2810, 32482), (2980, 30629), (5620, 16241)]