289344380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{27143}}^1$

素因数の和:27206

約数の個数: 48

約数和(自身を含む): 670348224

約数和(自身を除く): 381003844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 27143, 54286, 108572, 135715, 271430, 352859, 542860, 705718, 1112863, 1411436, 1764295, 2225726, 3528590, 4451452, 5564315, 7057180, 11128630, 14467219, 22257260, 28934438, 57868876, 72336095, 144672190, 289344380]

約数ペア:

[(1, 289344380), (2, 144672190), (4, 72336095), (5, 57868876), (10, 28934438), (13, 22257260), (20, 14467219), (26, 11128630), (41, 7057180), (52, 5564315), (65, 4451452), (82, 3528590), (130, 2225726), (164, 1764295), (205, 1411436), (260, 1112863), (410, 705718), (533, 542860), (820, 352859), (1066, 271430), (2132, 135715), (2665, 108572), (5330, 54286), (10660, 27143)]