2248420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 36

約数和(自身を含む): 5028660

約数和(自身を除く): 2780240

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 389, 578, 778, 1156, 1445, 1556, 1945, 2890, 3890, 5780, 6613, 7780, 13226, 26452, 33065, 66130, 112421, 132260, 224842, 449684, 562105, 1124210, 2248420]

約数ペア:

[(1, 2248420), (2, 1124210), (4, 562105), (5, 449684), (10, 224842), (17, 132260), (20, 112421), (34, 66130), (68, 33065), (85, 26452), (170, 13226), (289, 7780), (340, 6613), (389, 5780), (578, 3890), (778, 2890), (1156, 1945), (1445, 1556)]