2090830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 4653936

約数和(自身を除く): 2563106

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 251, 490, 502, 595, 833, 1190, 1255, 1666, 1757, 2510, 3514, 4165, 4267, 8330, 8534, 8785, 12299, 17570, 21335, 24598, 29869, 42670, 59738, 61495, 122990, 149345, 209083, 298690, 418166, 1045415, 2090830]

約数ペア:

[(1, 2090830), (2, 1045415), (5, 418166), (7, 298690), (10, 209083), (14, 149345), (17, 122990), (34, 61495), (35, 59738), (49, 42670), (70, 29869), (85, 24598), (98, 21335), (119, 17570), (170, 12299), (238, 8785), (245, 8534), (251, 8330), (490, 4267), (502, 4165), (595, 3514), (833, 2510), (1190, 1757), (1255, 1666)]