248625440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{221987}}^1$

素因数の和:222009

約数の個数: 48

約数和(自身を含む): 671291712

約数和(自身を除く): 422666272

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, 221987, 443974, 887948, 1109935, 1553909, 1775896, 2219870, 3107818, 3551792, 4439740, 6215636, 7103584, 7769545, 8879480, 12431272, 15539090, 17758960, 24862544, 31078180, 35517920, 49725088, 62156360, 124312720, 248625440]

約数ペア:

[(1, 248625440), (2, 124312720), (4, 62156360), (5, 49725088), (7, 35517920), (8, 31078180), (10, 24862544), (14, 17758960), (16, 15539090), (20, 12431272), (28, 8879480), (32, 7769545), (35, 7103584), (40, 6215636), (56, 4439740), (70, 3551792), (80, 3107818), (112, 2219870), (140, 1775896), (160, 1553909), (224, 1109935), (280, 887948), (560, 443974), (1120, 221987)]