289580090

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{1151}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 528353280

約数和(自身を除く): 238773190

約数列:

[1, 2, 5, 10, 139, 181, 278, 362, 695, 905, 1151, 1390, 1810, 2302, 5755, 11510, 25159, 50318, 125795, 159989, 208331, 251590, 319978, 416662, 799945, 1041655, 1599890, 2083310, 28958009, 57916018, 144790045, 289580090]

約数ペア:

[(1, 289580090), (2, 144790045), (5, 57916018), (10, 28958009), (139, 2083310), (181, 1599890), (278, 1041655), (362, 799945), (695, 416662), (905, 319978), (1151, 251590), (1390, 208331), (1810, 159989), (2302, 125795), (5755, 50318), (11510, 25159)]