308599490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{1289}}^1$

素因数の和:1654

約数の個数: 32

約数和(自身を含む): 564246000

約数和(自身を除く): 255646510

約数列:

[1, 2, 5, 10, 89, 178, 269, 445, 538, 890, 1289, 1345, 2578, 2690, 6445, 12890, 23941, 47882, 114721, 119705, 229442, 239410, 346741, 573605, 693482, 1147210, 1733705, 3467410, 30859949, 61719898, 154299745, 308599490]

約数ペア:

[(1, 308599490), (2, 154299745), (5, 61719898), (10, 30859949), (89, 3467410), (178, 1733705), (269, 1147210), (445, 693482), (538, 573605), (890, 346741), (1289, 239410), (1345, 229442), (2578, 119705), (2690, 114721), (6445, 47882), (12890, 23941)]