54347860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{55457}}^1$

素因数の和:55480

約数の個数: 36

約数和(自身を含む): 132766452

約数和(自身を除く): 78418592

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 55457, 110914, 221828, 277285, 388199, 554570, 776398, 1109140, 1552796, 1940995, 2717393, 3881990, 5434786, 7763980, 10869572, 13586965, 27173930, 54347860]

約数ペア:

[(1, 54347860), (2, 27173930), (4, 13586965), (5, 10869572), (7, 7763980), (10, 5434786), (14, 3881990), (20, 2717393), (28, 1940995), (35, 1552796), (49, 1109140), (70, 776398), (98, 554570), (140, 388199), (196, 277285), (245, 221828), (490, 110914), (980, 55457)]