247982560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{221413}}^1$

素因数の和:221435

約数の個数: 48

約数和(自身を含む): 669555936

約数和(自身を除く): 421573376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 221413, 442826, 885652, 1107065, 1549891, 1771304, 2214130, 3099782, 3542608, 4428260, 6199564, 7085216, 7749455, 8856520, 12399128, 15498910, 17713040, 24798256, 30997820, 35426080, 49596512, 61995640, 123991280, 247982560]

約数ペア:

[(1, 247982560), (2, 123991280), (4, 61995640), (5, 49596512), (7, 35426080), (8, 30997820), (10, 24798256), (14, 17713040), (16, 15498910), (20, 12399128), (28, 8856520), (32, 7749455), (35, 7085216), (40, 6199564), (56, 4428260), (70, 3542608), (80, 3099782), (112, 2214130), (140, 1771304), (160, 1549891), (224, 1107065), (280, 885652), (560, 442826), (1120, 221413)]