766220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 1985088

約数和(自身を除く): 1218868

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 421, 455, 842, 910, 1684, 1820, 2105, 2947, 4210, 5473, 5894, 8420, 10946, 11788, 14735, 21892, 27365, 29470, 38311, 54730, 58940, 76622, 109460, 153244, 191555, 383110, 766220]

約数ペア:

[(1, 766220), (2, 383110), (4, 191555), (5, 153244), (7, 109460), (10, 76622), (13, 58940), (14, 54730), (20, 38311), (26, 29470), (28, 27365), (35, 21892), (52, 14735), (65, 11788), (70, 10946), (91, 8420), (130, 5894), (140, 5473), (182, 4210), (260, 2947), (364, 2105), (421, 1820), (455, 1684), (842, 910)]