280507130

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 510174720

約数和(自身を除く): 229667590

約数列:

[1, 2, 5, 10, 239, 241, 478, 482, 487, 974, 1195, 1205, 2390, 2410, 2435, 4870, 57599, 115198, 116393, 117367, 232786, 234734, 287995, 575990, 581965, 586835, 1163930, 1173670, 28050713, 56101426, 140253565, 280507130]

約数ペア:

[(1, 280507130), (2, 140253565), (5, 56101426), (10, 28050713), (239, 1173670), (241, 1163930), (478, 586835), (482, 581965), (487, 575990), (974, 287995), (1195, 234734), (1205, 232786), (2390, 117367), (2410, 116393), (2435, 115198), (4870, 57599)]