199951640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{714113}}^1$

素因数の和:714131

約数の個数: 32

約数和(自身を含む): 514162080

約数和(自身を除く): 314210440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 714113, 1428226, 2856452, 3570565, 4998791, 5712904, 7141130, 9997582, 14282260, 19995164, 24993955, 28564520, 39990328, 49987910, 99975820, 199951640]

約数ペア:

[(1, 199951640), (2, 99975820), (4, 49987910), (5, 39990328), (7, 28564520), (8, 24993955), (10, 19995164), (14, 14282260), (20, 9997582), (28, 7141130), (35, 5712904), (40, 4998791), (56, 3570565), (70, 2856452), (140, 1428226), (280, 714113)]