3478120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 7921800

約数和(自身を除く): 4443680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 977, 1780, 1954, 3560, 3908, 4885, 7816, 9770, 19540, 39080, 86953, 173906, 347812, 434765, 695624, 869530, 1739060, 3478120]

約数ペア:

[(1, 3478120), (2, 1739060), (4, 869530), (5, 695624), (8, 434765), (10, 347812), (20, 173906), (40, 86953), (89, 39080), (178, 19540), (356, 9770), (445, 7816), (712, 4885), (890, 3908), (977, 3560), (1780, 1954)]