90744760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 216720000

約数和(自身を除く): 125975240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 556, 695, 760, 859, 1112, 1390, 1718, 2641, 2780, 3436, 4295, 5282, 5560, 6872, 8590, 10564, 13205, 16321, 17180, 21128, 26410, 32642, 34360, 52820, 65284, 81605, 105640, 119401, 130568, 163210, 238802, 326420, 477604, 597005, 652840, 955208, 1194010, 2268619, 2388020, 4537238, 4776040, 9074476, 11343095, 18148952, 22686190, 45372380, 90744760]

約数ペア:

[(1, 90744760), (2, 45372380), (4, 22686190), (5, 18148952), (8, 11343095), (10, 9074476), (19, 4776040), (20, 4537238), (38, 2388020), (40, 2268619), (76, 1194010), (95, 955208), (139, 652840), (152, 597005), (190, 477604), (278, 326420), (380, 238802), (556, 163210), (695, 130568), (760, 119401), (859, 105640), (1112, 81605), (1390, 65284), (1718, 52820), (2641, 34360), (2780, 32642), (3436, 26410), (4295, 21128), (5282, 17180), (5560, 16321), (6872, 13205), (8590, 10564)]