11681380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 27232128

約数和(自身を除く): 15550748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 47, 68, 85, 86, 94, 170, 172, 188, 215, 235, 289, 340, 430, 470, 578, 731, 799, 860, 940, 1156, 1445, 1462, 1598, 2021, 2890, 2924, 3196, 3655, 3995, 4042, 5780, 7310, 7990, 8084, 10105, 12427, 13583, 14620, 15980, 20210, 24854, 27166, 34357, 40420, 49708, 54332, 62135, 67915, 68714, 124270, 135830, 137428, 171785, 248540, 271660, 343570, 584069, 687140, 1168138, 2336276, 2920345, 5840690, 11681380]

約数ペア:

[(1, 11681380), (2, 5840690), (4, 2920345), (5, 2336276), (10, 1168138), (17, 687140), (20, 584069), (34, 343570), (43, 271660), (47, 248540), (68, 171785), (85, 137428), (86, 135830), (94, 124270), (170, 68714), (172, 67915), (188, 62135), (215, 54332), (235, 49708), (289, 40420), (340, 34357), (430, 27166), (470, 24854), (578, 20210), (731, 15980), (799, 14620), (860, 13583), (940, 12427), (1156, 10105), (1445, 8084), (1462, 7990), (1598, 7310), (2021, 5780), (2890, 4042), (2924, 3995), (3196, 3655)]