2013910075

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 2640456000

約数和(自身を除く): 626545925

約数列:

[1, 5, 25, 29, 103, 145, 149, 181, 515, 725, 745, 905, 2575, 2987, 3725, 4321, 4525, 5249, 14935, 15347, 18643, 21605, 26245, 26969, 74675, 76735, 93215, 108025, 131225, 134845, 383675, 445063, 466075, 540647, 674225, 782101, 2225315, 2703235, 2777807, 3910505, 11126575, 13516175, 13889035, 19552525, 69445175, 80556403, 402782015, 2013910075]

約数ペア:

[(1, 2013910075), (5, 402782015), (25, 80556403), (29, 69445175), (103, 19552525), (145, 13889035), (149, 13516175), (181, 11126575), (515, 3910505), (725, 2777807), (745, 2703235), (905, 2225315), (2575, 782101), (2987, 674225), (3725, 540647), (4321, 466075), (4525, 445063), (5249, 383675), (14935, 134845), (15347, 131225), (18643, 108025), (21605, 93215), (26245, 76735), (26969, 74675)]