201250660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40739}}^1$

素因数の和:40780

約数の個数: 48

約数和(自身を含む): 479102400

約数和(自身を除く): 277851740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 40739, 81478, 162956, 203695, 407390, 529607, 774041, 814780, 1059214, 1548082, 2118428, 2648035, 3096164, 3870205, 5296070, 7740410, 10062533, 10592140, 15480820, 20125066, 40250132, 50312665, 100625330, 201250660]

約数ペア:

[(1, 201250660), (2, 100625330), (4, 50312665), (5, 40250132), (10, 20125066), (13, 15480820), (19, 10592140), (20, 10062533), (26, 7740410), (38, 5296070), (52, 3870205), (65, 3096164), (76, 2648035), (95, 2118428), (130, 1548082), (190, 1059214), (247, 814780), (260, 774041), (380, 529607), (494, 407390), (988, 203695), (1235, 162956), (2470, 81478), (4940, 40739)]