30312940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5281}}^1$

素因数の和:5338

約数の個数: 48

約数和(自身を含む): 74539584

約数和(自身を除く): 44226644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5281, 5740, 10562, 21124, 26405, 36967, 52810, 73934, 105620, 147868, 184835, 216521, 369670, 433042, 739340, 866084, 1082605, 1515647, 2165210, 3031294, 4330420, 6062588, 7578235, 15156470, 30312940]

約数ペア:

[(1, 30312940), (2, 15156470), (4, 7578235), (5, 6062588), (7, 4330420), (10, 3031294), (14, 2165210), (20, 1515647), (28, 1082605), (35, 866084), (41, 739340), (70, 433042), (82, 369670), (140, 216521), (164, 184835), (205, 147868), (287, 105620), (410, 73934), (574, 52810), (820, 36967), (1148, 26405), (1435, 21124), (2870, 10562), (5281, 5740)]