875265440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{111641}}^1$

素因数の和:111670

約数の個数: 72

約数和(自身を含む): 2405438532

約数和(自身を除く): 1530173092

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 111641, 223282, 446564, 558205, 781487, 893128, 1116410, 1562974, 1786256, 2232820, 3125948, 3572512, 3907435, 4465640, 5470409, 6251896, 7814870, 8931280, 10940818, 12503792, 15629740, 17862560, 21881636, 25007584, 27352045, 31259480, 43763272, 54704090, 62518960, 87526544, 109408180, 125037920, 175053088, 218816360, 437632720, 875265440]

約数ペア:

[(1, 875265440), (2, 437632720), (4, 218816360), (5, 175053088), (7, 125037920), (8, 109408180), (10, 87526544), (14, 62518960), (16, 54704090), (20, 43763272), (28, 31259480), (32, 27352045), (35, 25007584), (40, 21881636), (49, 17862560), (56, 15629740), (70, 12503792), (80, 10940818), (98, 8931280), (112, 7814870), (140, 6251896), (160, 5470409), (196, 4465640), (224, 3907435), (245, 3572512), (280, 3125948), (392, 2232820), (490, 1786256), (560, 1562974), (784, 1116410), (980, 893128), (1120, 781487), (1568, 558205), (1960, 446564), (3920, 223282), (7840, 111641)]