123771760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{221021}}^1$

素因数の和:221041

約数の個数: 40

約数和(自身を含む): 328880736

約数和(自身を除く): 205108976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 221021, 442042, 884084, 1105105, 1547147, 1768168, 2210210, 3094294, 3536336, 4420420, 6188588, 7735735, 8840840, 12377176, 15471470, 17681680, 24754352, 30942940, 61885880, 123771760]

約数ペア:

[(1, 123771760), (2, 61885880), (4, 30942940), (5, 24754352), (7, 17681680), (8, 15471470), (10, 12377176), (14, 8840840), (16, 7735735), (20, 6188588), (28, 4420420), (35, 3536336), (40, 3094294), (56, 2210210), (70, 1768168), (80, 1547147), (112, 1105105), (140, 884084), (280, 442042), (560, 221021)]