31359160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{111997}}^1$

素因数の和:112015

約数の個数: 32

約数和(自身を含む): 80638560

約数和(自身を除く): 49279400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 111997, 223994, 447988, 559985, 783979, 895976, 1119970, 1567958, 2239940, 3135916, 3919895, 4479880, 6271832, 7839790, 15679580, 31359160]

約数ペア:

[(1, 31359160), (2, 15679580), (4, 7839790), (5, 6271832), (7, 4479880), (8, 3919895), (10, 3135916), (14, 2239940), (20, 1567958), (28, 1119970), (35, 895976), (40, 783979), (56, 559985), (70, 447988), (140, 223994), (280, 111997)]