77892730

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{857}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 143629200

約数和(自身を除く): 65736470

約数列:

[1, 2, 5, 10, 61, 122, 149, 298, 305, 610, 745, 857, 1490, 1714, 4285, 8570, 9089, 18178, 45445, 52277, 90890, 104554, 127693, 255386, 261385, 522770, 638465, 1276930, 7789273, 15578546, 38946365, 77892730]

約数ペア:

[(1, 77892730), (2, 38946365), (5, 15578546), (10, 7789273), (61, 1276930), (122, 638465), (149, 522770), (298, 261385), (305, 255386), (610, 127693), (745, 104554), (857, 90890), (1490, 52277), (1714, 45445), (4285, 18178), (8570, 9089)]