29780380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{757}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 71822016

約数和(自身を除く): 42041636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 757, 1124, 1405, 1514, 1967, 2810, 3028, 3785, 3934, 5299, 5620, 7570, 7868, 9835, 10598, 15140, 19670, 21196, 26495, 39340, 52990, 105980, 212717, 425434, 850868, 1063585, 1489019, 2127170, 2978038, 4254340, 5956076, 7445095, 14890190, 29780380]

約数ペア:

[(1, 29780380), (2, 14890190), (4, 7445095), (5, 5956076), (7, 4254340), (10, 2978038), (14, 2127170), (20, 1489019), (28, 1063585), (35, 850868), (70, 425434), (140, 212717), (281, 105980), (562, 52990), (757, 39340), (1124, 26495), (1405, 21196), (1514, 19670), (1967, 15140), (2810, 10598), (3028, 9835), (3785, 7868), (3934, 7570), (5299, 5620)]