201405220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113149}}^1$

素因数の和:113247

約数の個数: 24

約数和(自身を含む): 427707000

約数和(自身を除く): 226301780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 113149, 226298, 452596, 565745, 1131490, 2262980, 10070261, 20140522, 40281044, 50351305, 100702610, 201405220]

約数ペア:

[(1, 201405220), (2, 100702610), (4, 50351305), (5, 40281044), (10, 20140522), (20, 10070261), (89, 2262980), (178, 1131490), (356, 565745), (445, 452596), (890, 226298), (1780, 113149)]