90678040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 210470400

約数和(自身を除く): 119792360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 139, 188, 235, 278, 347, 376, 470, 556, 694, 695, 940, 1112, 1388, 1390, 1735, 1880, 2776, 2780, 3470, 5560, 6533, 6940, 13066, 13880, 16309, 26132, 32618, 32665, 48233, 52264, 65236, 65330, 81545, 96466, 130472, 130660, 163090, 192932, 241165, 261320, 326180, 385864, 482330, 652360, 964660, 1929320, 2266951, 4533902, 9067804, 11334755, 18135608, 22669510, 45339020, 90678040]

約数ペア:

[(1, 90678040), (2, 45339020), (4, 22669510), (5, 18135608), (8, 11334755), (10, 9067804), (20, 4533902), (40, 2266951), (47, 1929320), (94, 964660), (139, 652360), (188, 482330), (235, 385864), (278, 326180), (347, 261320), (376, 241165), (470, 192932), (556, 163090), (694, 130660), (695, 130472), (940, 96466), (1112, 81545), (1388, 65330), (1390, 65236), (1735, 52264), (1880, 48233), (2776, 32665), (2780, 32618), (3470, 26132), (5560, 16309), (6533, 13880), (6940, 13066)]