30678890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2129}}^1$

素因数の和:2278

約数の個数: 32

約数和(自身を含む): 60730560

約数和(自身を除く): 30051670

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2129, 2882, 4258, 7205, 10645, 14410, 21290, 23419, 46838, 117095, 234190, 278899, 557798, 1394495, 2788990, 3067889, 6135778, 15339445, 30678890]

約数ペア:

[(1, 30678890), (2, 15339445), (5, 6135778), (10, 3067889), (11, 2788990), (22, 1394495), (55, 557798), (110, 278899), (131, 234190), (262, 117095), (655, 46838), (1310, 23419), (1441, 21290), (2129, 14410), (2882, 10645), (4258, 7205)]