388637540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{2273}}^1$

素因数の和:2468

約数の個数: 48

約数和(自身を含む): 834357888

約数和(自身を除く): 445720348

約数列:

[1, 2, 4, 5, 10, 20, 83, 103, 166, 206, 332, 412, 415, 515, 830, 1030, 1660, 2060, 2273, 4546, 8549, 9092, 11365, 17098, 22730, 34196, 42745, 45460, 85490, 170980, 188659, 234119, 377318, 468238, 754636, 936476, 943295, 1170595, 1886590, 2341190, 3773180, 4682380, 19431877, 38863754, 77727508, 97159385, 194318770, 388637540]

約数ペア:

[(1, 388637540), (2, 194318770), (4, 97159385), (5, 77727508), (10, 38863754), (20, 19431877), (83, 4682380), (103, 3773180), (166, 2341190), (206, 1886590), (332, 1170595), (412, 943295), (415, 936476), (515, 754636), (830, 468238), (1030, 377318), (1660, 234119), (2060, 188659), (2273, 170980), (4546, 85490), (8549, 45460), (9092, 42745), (11365, 34196), (17098, 22730)]