256146410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103703}}^1$

素因数の和:103742

約数の個数: 32

約数和(自身を含む): 522668160

約数和(自身を除く): 266521750

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 103703, 207406, 518515, 1037030, 1348139, 1970357, 2696278, 3940714, 6740695, 9851785, 13481390, 19703570, 25614641, 51229282, 128073205, 256146410]

約数ペア:

[(1, 256146410), (2, 128073205), (5, 51229282), (10, 25614641), (13, 19703570), (19, 13481390), (26, 9851785), (38, 6740695), (65, 3940714), (95, 2696278), (130, 1970357), (190, 1348139), (247, 1037030), (494, 518515), (1235, 207406), (2470, 103703)]