275421880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3407}}^1$

素因数の和:3508

約数の個数: 64

約数和(自身を含む): 647792640

約数和(自身を除く): 372370760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1720, 1880, 2021, 3407, 4042, 6814, 8084, 10105, 13628, 16168, 17035, 20210, 27256, 34070, 40420, 68140, 80840, 136280, 146501, 160129, 293002, 320258, 586004, 640516, 732505, 800645, 1172008, 1281032, 1465010, 1601290, 2930020, 3202580, 5860040, 6405160, 6885547, 13771094, 27542188, 34427735, 55084376, 68855470, 137710940, 275421880]

約数ペア:

[(1, 275421880), (2, 137710940), (4, 68855470), (5, 55084376), (8, 34427735), (10, 27542188), (20, 13771094), (40, 6885547), (43, 6405160), (47, 5860040), (86, 3202580), (94, 2930020), (172, 1601290), (188, 1465010), (215, 1281032), (235, 1172008), (344, 800645), (376, 732505), (430, 640516), (470, 586004), (860, 320258), (940, 293002), (1720, 160129), (1880, 146501), (2021, 136280), (3407, 80840), (4042, 68140), (6814, 40420), (8084, 34070), (10105, 27256), (13628, 20210), (16168, 17035)]