17401240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 40930560

約数和(自身を除く): 23529320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 151, 172, 215, 268, 302, 335, 344, 430, 536, 604, 670, 755, 860, 1208, 1340, 1510, 1720, 2680, 2881, 3020, 5762, 6040, 6493, 10117, 11524, 12986, 14405, 20234, 23048, 25972, 28810, 32465, 40468, 50585, 51944, 57620, 64930, 80936, 101170, 115240, 129860, 202340, 259720, 404680, 435031, 870062, 1740124, 2175155, 3480248, 4350310, 8700620, 17401240]

約数ペア:

[(1, 17401240), (2, 8700620), (4, 4350310), (5, 3480248), (8, 2175155), (10, 1740124), (20, 870062), (40, 435031), (43, 404680), (67, 259720), (86, 202340), (134, 129860), (151, 115240), (172, 101170), (215, 80936), (268, 64930), (302, 57620), (335, 51944), (344, 50585), (430, 40468), (536, 32465), (604, 28810), (670, 25972), (755, 23048), (860, 20234), (1208, 14405), (1340, 12986), (1510, 11524), (1720, 10117), (2680, 6493), (2881, 6040), (3020, 5762)]