91487980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 196326144

約数和(自身を除く): 104838164

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 223, 281, 292, 365, 446, 562, 730, 892, 1115, 1124, 1405, 1460, 2230, 2810, 4460, 5620, 16279, 20513, 32558, 41026, 62663, 65116, 81395, 82052, 102565, 125326, 162790, 205130, 250652, 313315, 325580, 410260, 626630, 1253260, 4574399, 9148798, 18297596, 22871995, 45743990, 91487980]

約数ペア:

[(1, 91487980), (2, 45743990), (4, 22871995), (5, 18297596), (10, 9148798), (20, 4574399), (73, 1253260), (146, 626630), (223, 410260), (281, 325580), (292, 313315), (365, 250652), (446, 205130), (562, 162790), (730, 125326), (892, 102565), (1115, 82052), (1124, 81395), (1405, 65116), (1460, 62663), (2230, 41026), (2810, 32558), (4460, 20513), (5620, 16279)]