28856240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^2$

素因数の和:474

約数の個数: 60

約数和(自身を含む): 77014416

約数和(自身を除く): 48158176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 908, 1135, 1589, 1816, 2270, 3178, 3632, 4540, 6356, 7945, 9080, 12712, 15890, 18160, 25424, 31780, 51529, 63560, 103058, 127120, 206116, 257645, 360703, 412232, 515290, 721406, 824464, 1030580, 1442812, 1803515, 2061160, 2885624, 3607030, 4122320, 5771248, 7214060, 14428120, 28856240]

約数ペア:

[(1, 28856240), (2, 14428120), (4, 7214060), (5, 5771248), (7, 4122320), (8, 3607030), (10, 2885624), (14, 2061160), (16, 1803515), (20, 1442812), (28, 1030580), (35, 824464), (40, 721406), (56, 515290), (70, 412232), (80, 360703), (112, 257645), (140, 206116), (227, 127120), (280, 103058), (454, 63560), (560, 51529), (908, 31780), (1135, 25424), (1589, 18160), (1816, 15890), (2270, 12712), (3178, 9080), (3632, 7945), (4540, 6356)]