192678920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{688139}}^1$

素因数の和:688157

約数の個数: 32

約数和(自身を含む): 495460800

約数和(自身を除く): 302781880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 688139, 1376278, 2752556, 3440695, 4816973, 5505112, 6881390, 9633946, 13762780, 19267892, 24084865, 27525560, 38535784, 48169730, 96339460, 192678920]

約数ペア:

[(1, 192678920), (2, 96339460), (4, 48169730), (5, 38535784), (7, 27525560), (8, 24084865), (10, 19267892), (14, 13762780), (20, 9633946), (28, 6881390), (35, 5505112), (40, 4816973), (56, 3440695), (70, 2752556), (140, 1376278), (280, 688139)]