30128690

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 55408320

約数和(自身を除く): 25279630

約数列:

[1, 2, 5, 10, 109, 131, 211, 218, 262, 422, 545, 655, 1055, 1090, 1310, 2110, 14279, 22999, 27641, 28558, 45998, 55282, 71395, 114995, 138205, 142790, 229990, 276410, 3012869, 6025738, 15064345, 30128690]

約数ペア:

[(1, 30128690), (2, 15064345), (5, 6025738), (10, 3012869), (109, 276410), (131, 229990), (211, 142790), (218, 138205), (262, 114995), (422, 71395), (545, 55282), (655, 45998), (1055, 28558), (1090, 27641), (1310, 22999), (2110, 14279)]