1830730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 3878280

約数和(自身を除く): 2047550

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 89, 110, 121, 170, 178, 187, 242, 374, 445, 605, 890, 935, 979, 1210, 1513, 1870, 1958, 2057, 3026, 4114, 4895, 7565, 9790, 10285, 10769, 15130, 16643, 20570, 21538, 33286, 53845, 83215, 107690, 166430, 183073, 366146, 915365, 1830730]

約数ペア:

[(1, 1830730), (2, 915365), (5, 366146), (10, 183073), (11, 166430), (17, 107690), (22, 83215), (34, 53845), (55, 33286), (85, 21538), (89, 20570), (110, 16643), (121, 15130), (170, 10769), (178, 10285), (187, 9790), (242, 7565), (374, 4895), (445, 4114), (605, 3026), (890, 2057), (935, 1958), (979, 1870), (1210, 1513)]