138990410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 280052640

約数和(自身を除く): 141062230

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 89, 130, 178, 205, 293, 410, 445, 533, 586, 890, 1066, 1157, 1465, 2314, 2665, 2930, 3649, 3809, 5330, 5785, 7298, 7618, 11570, 12013, 18245, 19045, 24026, 26077, 36490, 38090, 47437, 52154, 60065, 94874, 120130, 130385, 156169, 237185, 260770, 312338, 339001, 474370, 678002, 780845, 1069157, 1561690, 1695005, 2138314, 3390010, 5345785, 10691570, 13899041, 27798082, 69495205, 138990410]

約数ペア:

[(1, 138990410), (2, 69495205), (5, 27798082), (10, 13899041), (13, 10691570), (26, 5345785), (41, 3390010), (65, 2138314), (82, 1695005), (89, 1561690), (130, 1069157), (178, 780845), (205, 678002), (293, 474370), (410, 339001), (445, 312338), (533, 260770), (586, 237185), (890, 156169), (1066, 130385), (1157, 120130), (1465, 94874), (2314, 60065), (2665, 52154), (2930, 47437), (3649, 38090), (3809, 36490), (5330, 26077), (5785, 24026), (7298, 19045), (7618, 18245), (11570, 12013)]