4199780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 9843120

約数和(自身を除く): 5643340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 557, 580, 754, 1114, 1508, 1885, 2228, 2785, 3770, 5570, 7241, 7540, 11140, 14482, 16153, 28964, 32306, 36205, 64612, 72410, 80765, 144820, 161530, 209989, 323060, 419978, 839956, 1049945, 2099890, 4199780]

約数ペア:

[(1, 4199780), (2, 2099890), (4, 1049945), (5, 839956), (10, 419978), (13, 323060), (20, 209989), (26, 161530), (29, 144820), (52, 80765), (58, 72410), (65, 64612), (116, 36205), (130, 32306), (145, 28964), (260, 16153), (290, 14482), (377, 11140), (557, 7540), (580, 7241), (754, 5570), (1114, 3770), (1508, 2785), (1885, 2228)]