72638825

素因数分解:

$5^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 108028800

約数和(自身を除く): 35389975

約数列:

[1, 5, 7, 25, 35, 43, 49, 175, 197, 215, 245, 301, 343, 985, 1075, 1225, 1379, 1505, 1715, 2107, 4925, 6895, 7525, 8471, 8575, 9653, 10535, 14749, 34475, 42355, 48265, 52675, 59297, 67571, 73745, 211775, 241325, 296485, 337855, 368725, 415079, 1482425, 1689275, 2075395, 2905553, 10376975, 14527765, 72638825]

約数ペア:

[(1, 72638825), (5, 14527765), (7, 10376975), (25, 2905553), (35, 2075395), (43, 1689275), (49, 1482425), (175, 415079), (197, 368725), (215, 337855), (245, 296485), (301, 241325), (343, 211775), (985, 73745), (1075, 67571), (1225, 59297), (1379, 52675), (1505, 48265), (1715, 42355), (2107, 34475), (4925, 14749), (6895, 10535), (7525, 9653), (8471, 8575)]