2155010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 4625208

約数和(自身を除く): 2470198

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 137, 143, 242, 274, 286, 605, 685, 715, 1210, 1370, 1430, 1507, 1573, 1781, 3014, 3146, 3562, 7535, 7865, 8905, 15070, 15730, 16577, 17810, 19591, 33154, 39182, 82885, 97955, 165770, 195910, 215501, 431002, 1077505, 2155010]

約数ペア:

[(1, 2155010), (2, 1077505), (5, 431002), (10, 215501), (11, 195910), (13, 165770), (22, 97955), (26, 82885), (55, 39182), (65, 33154), (110, 19591), (121, 17810), (130, 16577), (137, 15730), (143, 15070), (242, 8905), (274, 7865), (286, 7535), (605, 3562), (685, 3146), (715, 3014), (1210, 1781), (1370, 1573), (1430, 1507)]