90700870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{36721}}^1$

素因数の和:36760

約数の個数: 32

約数和(自身を含む): 185078880

約数和(自身を除く): 94378010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 36721, 73442, 183605, 367210, 477373, 697699, 954746, 1395398, 2386865, 3488495, 4773730, 6976990, 9070087, 18140174, 45350435, 90700870]

約数ペア:

[(1, 90700870), (2, 45350435), (5, 18140174), (10, 9070087), (13, 6976990), (19, 4773730), (26, 3488495), (38, 2386865), (65, 1395398), (95, 954746), (130, 697699), (190, 477373), (247, 367210), (494, 183605), (1235, 73442), (2470, 36721)]