2989610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 6126840

約数和(自身を除く): 3137230

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 61, 65, 122, 130, 145, 169, 290, 305, 338, 377, 610, 754, 793, 845, 1586, 1690, 1769, 1885, 3538, 3770, 3965, 4901, 7930, 8845, 9802, 10309, 17690, 20618, 22997, 24505, 45994, 49010, 51545, 103090, 114985, 229970, 298961, 597922, 1494805, 2989610]

約数ペア:

[(1, 2989610), (2, 1494805), (5, 597922), (10, 298961), (13, 229970), (26, 114985), (29, 103090), (58, 51545), (61, 49010), (65, 45994), (122, 24505), (130, 22997), (145, 20618), (169, 17690), (290, 10309), (305, 9802), (338, 8845), (377, 7930), (610, 4901), (754, 3965), (793, 3770), (845, 3538), (1586, 1885), (1690, 1769)]