154156940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157303}}^1$

素因数の和:157326

約数の個数: 36

約数和(自身を含む): 376585776

約数和(自身を除く): 222428836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 157303, 314606, 629212, 786515, 1101121, 1573030, 2202242, 3146060, 4404484, 5505605, 7707847, 11011210, 15415694, 22022420, 30831388, 38539235, 77078470, 154156940]

約数ペア:

[(1, 154156940), (2, 77078470), (4, 38539235), (5, 30831388), (7, 22022420), (10, 15415694), (14, 11011210), (20, 7707847), (28, 5505605), (35, 4404484), (49, 3146060), (70, 2202242), (98, 1573030), (140, 1101121), (196, 786515), (245, 629212), (490, 314606), (980, 157303)]