155217140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{35117}}^1$

素因数の和:35156

約数の個数: 48

約数和(自身を含む): 371688912

約数和(自身を除く): 216471772

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 35117, 70234, 140468, 175585, 351170, 456521, 596989, 702340, 913042, 1193978, 1826084, 2282605, 2387956, 2984945, 4565210, 5969890, 7760857, 9130420, 11939780, 15521714, 31043428, 38804285, 77608570, 155217140]

約数ペア:

[(1, 155217140), (2, 77608570), (4, 38804285), (5, 31043428), (10, 15521714), (13, 11939780), (17, 9130420), (20, 7760857), (26, 5969890), (34, 4565210), (52, 2984945), (65, 2387956), (68, 2282605), (85, 1826084), (130, 1193978), (170, 913042), (221, 702340), (260, 596989), (340, 456521), (442, 351170), (884, 175585), (1105, 140468), (2210, 70234), (4420, 35117)]