280830395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{541}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 370884096

約数和(自身を除く): 90053701

約数列:

[1, 5, 17, 31, 85, 155, 197, 527, 541, 985, 2635, 2705, 3349, 6107, 9197, 16745, 16771, 30535, 45985, 83855, 103819, 106577, 285107, 519095, 532885, 1425535, 1811809, 3303887, 9059045, 16519435, 56166079, 280830395]

約数ペア:

[(1, 280830395), (5, 56166079), (17, 16519435), (31, 9059045), (85, 3303887), (155, 1811809), (197, 1425535), (527, 532885), (541, 519095), (985, 285107), (2635, 106577), (2705, 103819), (3349, 83855), (6107, 45985), (9197, 30535), (16745, 16771)]