278364970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{9689}}^1$

素因数の和:9739

約数の個数: 48

約数和(自身を含む): 574539480

約数和(自身を除く): 296174510

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1105, 1690, 2210, 2873, 5746, 9689, 14365, 19378, 28730, 48445, 96890, 125957, 164713, 251914, 329426, 629785, 823565, 1259570, 1637441, 1647130, 2141269, 3274882, 4282538, 8187205, 10706345, 16374410, 21412690, 27836497, 55672994, 139182485, 278364970]

約数ペア:

[(1, 278364970), (2, 139182485), (5, 55672994), (10, 27836497), (13, 21412690), (17, 16374410), (26, 10706345), (34, 8187205), (65, 4282538), (85, 3274882), (130, 2141269), (169, 1647130), (170, 1637441), (221, 1259570), (338, 823565), (442, 629785), (845, 329426), (1105, 251914), (1690, 164713), (2210, 125957), (2873, 96890), (5746, 48445), (9689, 28730), (14365, 19378)]