4007990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1892

約数の個数: 32

約数和(自身を含む): 8515584

約数和(自身を除く): 4507594

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 1847, 2170, 3694, 9235, 12929, 18470, 25858, 57257, 64645, 114514, 129290, 286285, 400799, 572570, 801598, 2003995, 4007990]

約数ペア:

[(1, 4007990), (2, 2003995), (5, 801598), (7, 572570), (10, 400799), (14, 286285), (31, 129290), (35, 114514), (62, 64645), (70, 57257), (155, 25858), (217, 18470), (310, 12929), (434, 9235), (1085, 3694), (1847, 2170)]