90902140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{8219}}^1$

素因数の和:8314

約数の個数: 48

約数和(自身を含む): 220953600

約数和(自身を除く): 130051460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 8219, 11060, 16438, 32876, 41095, 57533, 82190, 115066, 164380, 230132, 287665, 575330, 649301, 1150660, 1298602, 2597204, 3246505, 4545107, 6493010, 9090214, 12986020, 18180428, 22725535, 45451070, 90902140]

約数ペア:

[(1, 90902140), (2, 45451070), (4, 22725535), (5, 18180428), (7, 12986020), (10, 9090214), (14, 6493010), (20, 4545107), (28, 3246505), (35, 2597204), (70, 1298602), (79, 1150660), (140, 649301), (158, 575330), (316, 287665), (395, 230132), (553, 164380), (790, 115066), (1106, 82190), (1580, 57533), (2212, 41095), (2765, 32876), (5530, 16438), (8219, 11060)]