165239660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2467}}^1$

素因数の和:2690

約数の個数: 48

約数和(自身を含む): 369429984

約数和(自身を除く): 204190324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1970, 2467, 3349, 3940, 4934, 6698, 9868, 12335, 13396, 16745, 24670, 33490, 41939, 49340, 66980, 83878, 167756, 209695, 419390, 485999, 838780, 971998, 1943996, 2429995, 4859990, 8261983, 9719980, 16523966, 33047932, 41309915, 82619830, 165239660]

約数ペア:

[(1, 165239660), (2, 82619830), (4, 41309915), (5, 33047932), (10, 16523966), (17, 9719980), (20, 8261983), (34, 4859990), (68, 2429995), (85, 1943996), (170, 971998), (197, 838780), (340, 485999), (394, 419390), (788, 209695), (985, 167756), (1970, 83878), (2467, 66980), (3349, 49340), (3940, 41939), (4934, 33490), (6698, 24670), (9868, 16745), (12335, 13396)]