154393820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1102813}}^1$

素因数の和:1102829

約数の個数: 24

約数和(自身を含む): 370545504

約数和(自身を除く): 216151684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1102813, 2205626, 4411252, 5514065, 7719691, 11028130, 15439382, 22056260, 30878764, 38598455, 77196910, 154393820]

約数ペア:

[(1, 154393820), (2, 77196910), (4, 38598455), (5, 30878764), (7, 22056260), (10, 15439382), (14, 11028130), (20, 7719691), (28, 5514065), (35, 4411252), (70, 2205626), (140, 1102813)]