54663980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{701}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 131616576

約数和(自身を除く): 76952596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 701, 1114, 1402, 2228, 2785, 2804, 3505, 3899, 4907, 5570, 7010, 7798, 9814, 11140, 14020, 15596, 19495, 19628, 24535, 38990, 49070, 77980, 98140, 390457, 780914, 1561828, 1952285, 2733199, 3904570, 5466398, 7809140, 10932796, 13665995, 27331990, 54663980]

約数ペア:

[(1, 54663980), (2, 27331990), (4, 13665995), (5, 10932796), (7, 7809140), (10, 5466398), (14, 3904570), (20, 2733199), (28, 1952285), (35, 1561828), (70, 780914), (140, 390457), (557, 98140), (701, 77980), (1114, 49070), (1402, 38990), (2228, 24535), (2785, 19628), (2804, 19495), (3505, 15596), (3899, 14020), (4907, 11140), (5570, 9814), (7010, 7798)]