210017860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{1237}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 476075376

約数和(自身を除く): 266057516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 653, 1237, 1306, 2474, 2612, 3265, 4948, 6185, 6530, 8489, 12370, 13060, 16081, 16978, 24740, 32162, 33956, 42445, 64324, 80405, 84890, 160810, 169780, 321620, 807761, 1615522, 3231044, 4038805, 8077610, 10500893, 16155220, 21001786, 42003572, 52504465, 105008930, 210017860]

約数ペア:

[(1, 210017860), (2, 105008930), (4, 52504465), (5, 42003572), (10, 21001786), (13, 16155220), (20, 10500893), (26, 8077610), (52, 4038805), (65, 3231044), (130, 1615522), (260, 807761), (653, 321620), (1237, 169780), (1306, 160810), (2474, 84890), (2612, 80405), (3265, 64324), (4948, 42445), (6185, 33956), (6530, 32162), (8489, 24740), (12370, 16978), (13060, 16081)]