90363910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 201600000

約数和(自身を除く): 111236090

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 199, 398, 455, 499, 910, 995, 998, 1393, 1990, 2495, 2587, 2786, 3493, 4990, 5174, 6487, 6965, 6986, 12935, 12974, 13930, 17465, 18109, 25870, 32435, 34930, 36218, 45409, 64870, 90545, 90818, 99301, 181090, 198602, 227045, 454090, 496505, 695107, 993010, 1290913, 1390214, 2581826, 3475535, 6454565, 6951070, 9036391, 12909130, 18072782, 45181955, 90363910]

約数ペア:

[(1, 90363910), (2, 45181955), (5, 18072782), (7, 12909130), (10, 9036391), (13, 6951070), (14, 6454565), (26, 3475535), (35, 2581826), (65, 1390214), (70, 1290913), (91, 993010), (130, 695107), (182, 496505), (199, 454090), (398, 227045), (455, 198602), (499, 181090), (910, 99301), (995, 90818), (998, 90545), (1393, 64870), (1990, 45409), (2495, 36218), (2587, 34930), (2786, 32435), (3493, 25870), (4990, 18109), (5174, 17465), (6487, 13930), (6965, 12974), (6986, 12935)]