2378390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 4981824

約数和(自身を除く): 2603434

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 557, 610, 854, 1114, 2135, 2785, 3899, 4270, 5570, 7798, 19495, 33977, 38990, 67954, 169885, 237839, 339770, 475678, 1189195, 2378390]

約数ペア:

[(1, 2378390), (2, 1189195), (5, 475678), (7, 339770), (10, 237839), (14, 169885), (35, 67954), (61, 38990), (70, 33977), (122, 19495), (305, 7798), (427, 5570), (557, 4270), (610, 3899), (854, 2785), (1114, 2135)]