189268520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{675959}}^1$

素因数の和:675977

約数の個数: 32

約数和(自身を含む): 486691200

約数和(自身を除く): 297422680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 675959, 1351918, 2703836, 3379795, 4731713, 5407672, 6759590, 9463426, 13519180, 18926852, 23658565, 27038360, 37853704, 47317130, 94634260, 189268520]

約数ペア:

[(1, 189268520), (2, 94634260), (4, 47317130), (5, 37853704), (7, 27038360), (8, 23658565), (10, 18926852), (14, 13519180), (20, 9463426), (28, 6759590), (35, 5407672), (40, 4731713), (56, 3379795), (70, 2703836), (140, 1351918), (280, 675959)]