1805570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 64

約数和(自身を含む): 3991680

約数和(自身を除く): 2186110

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 43, 65, 85, 86, 95, 130, 170, 190, 215, 221, 247, 323, 430, 442, 494, 559, 646, 731, 817, 1105, 1118, 1235, 1462, 1615, 1634, 2210, 2470, 2795, 3230, 3655, 4085, 4199, 5590, 7310, 8170, 8398, 9503, 10621, 13889, 19006, 20995, 21242, 27778, 41990, 47515, 53105, 69445, 95030, 106210, 138890, 180557, 361114, 902785, 1805570]

約数ペア:

[(1, 1805570), (2, 902785), (5, 361114), (10, 180557), (13, 138890), (17, 106210), (19, 95030), (26, 69445), (34, 53105), (38, 47515), (43, 41990), (65, 27778), (85, 21242), (86, 20995), (95, 19006), (130, 13889), (170, 10621), (190, 9503), (215, 8398), (221, 8170), (247, 7310), (323, 5590), (430, 4199), (442, 4085), (494, 3655), (559, 3230), (646, 2795), (731, 2470), (817, 2210), (1105, 1634), (1118, 1615), (1235, 1462)]