69985160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{249947}}^1$

素因数の和:249965

約数の個数: 32

約数和(自身を含む): 179962560

約数和(自身を除く): 109977400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 249947, 499894, 999788, 1249735, 1749629, 1999576, 2499470, 3499258, 4998940, 6998516, 8748145, 9997880, 13997032, 17496290, 34992580, 69985160]

約数ペア:

[(1, 69985160), (2, 34992580), (4, 17496290), (5, 13997032), (7, 9997880), (8, 8748145), (10, 6998516), (14, 4998940), (20, 3499258), (28, 2499470), (35, 1999576), (40, 1749629), (56, 1249735), (70, 999788), (140, 499894), (280, 249947)]