1390190

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 2651616

約数和(自身を除く): 1261426

約数列:

[1, 2, 5, 10, 43, 53, 61, 86, 106, 122, 215, 265, 305, 430, 530, 610, 2279, 2623, 3233, 4558, 5246, 6466, 11395, 13115, 16165, 22790, 26230, 32330, 139019, 278038, 695095, 1390190]

約数ペア:

[(1, 1390190), (2, 695095), (5, 278038), (10, 139019), (43, 32330), (53, 26230), (61, 22790), (86, 16165), (106, 13115), (122, 11395), (215, 6466), (265, 5246), (305, 4558), (430, 3233), (530, 2623), (610, 2279)]