8420468

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 17740800

約数和(自身を除く): 9320332

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 89, 109, 124, 178, 217, 218, 356, 434, 436, 623, 763, 868, 1246, 1526, 2492, 2759, 3052, 3379, 5518, 6758, 9701, 11036, 13516, 19313, 19402, 23653, 38626, 38804, 47306, 67907, 77252, 94612, 135814, 271628, 300731, 601462, 1202924, 2105117, 4210234, 8420468]

約数ペア:

[(1, 8420468), (2, 4210234), (4, 2105117), (7, 1202924), (14, 601462), (28, 300731), (31, 271628), (62, 135814), (89, 94612), (109, 77252), (124, 67907), (178, 47306), (217, 38804), (218, 38626), (356, 23653), (434, 19402), (436, 19313), (623, 13516), (763, 11036), (868, 9701), (1246, 6758), (1526, 5518), (2492, 3379), (2759, 3052)]