137776840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{202613}}^1$

素因数の和:202641

約数の個数: 32

約数和(自身を含む): 328234680

約数和(自身を除く): 190457840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 202613, 405226, 810452, 1013065, 1620904, 2026130, 3444421, 4052260, 6888842, 8104520, 13777684, 17222105, 27555368, 34444210, 68888420, 137776840]

約数ペア:

[(1, 137776840), (2, 68888420), (4, 34444210), (5, 27555368), (8, 17222105), (10, 13777684), (17, 8104520), (20, 6888842), (34, 4052260), (40, 3444421), (68, 2026130), (85, 1620904), (136, 1013065), (170, 810452), (340, 405226), (680, 202613)]