85370260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{977}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 190756944

約数和(自身を除く): 105386684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 340, 514, 977, 1028, 1285, 1954, 2570, 3908, 4369, 4885, 5140, 8738, 9770, 16609, 17476, 19540, 21845, 33218, 43690, 66436, 83045, 87380, 166090, 251089, 332180, 502178, 1004356, 1255445, 2510890, 4268513, 5021780, 8537026, 17074052, 21342565, 42685130, 85370260]

約数ペア:

[(1, 85370260), (2, 42685130), (4, 21342565), (5, 17074052), (10, 8537026), (17, 5021780), (20, 4268513), (34, 2510890), (68, 1255445), (85, 1004356), (170, 502178), (257, 332180), (340, 251089), (514, 166090), (977, 87380), (1028, 83045), (1285, 66436), (1954, 43690), (2570, 33218), (3908, 21845), (4369, 19540), (4885, 17476), (5140, 16609), (8738, 9770)]