340312840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{173629}}^1$

素因数の和:173654

約数の個数: 48

約数和(自身を含む): 890721900

約数和(自身を除く): 550409060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 173629, 347258, 694516, 868145, 1215403, 1389032, 1736290, 2430806, 3472580, 4861612, 6077015, 6945160, 8507821, 9723224, 12154030, 17015642, 24308060, 34031284, 42539105, 48616120, 68062568, 85078210, 170156420, 340312840]

約数ペア:

[(1, 340312840), (2, 170156420), (4, 85078210), (5, 68062568), (7, 48616120), (8, 42539105), (10, 34031284), (14, 24308060), (20, 17015642), (28, 12154030), (35, 9723224), (40, 8507821), (49, 6945160), (56, 6077015), (70, 4861612), (98, 3472580), (140, 2430806), (196, 1736290), (245, 1389032), (280, 1215403), (392, 868145), (490, 694516), (980, 347258), (1960, 173629)]