1539720140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{224449}}^1$

素因数の和:224479

約数の個数: 48

約数和(自身を含む): 3770760000

約数和(自身を除く): 2231039860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 224449, 448898, 897796, 1122245, 1571143, 2244490, 3142286, 4488980, 6284572, 7855715, 10998001, 15711430, 21996002, 31422860, 43992004, 54990005, 76986007, 109980010, 153972014, 219960020, 307944028, 384930035, 769860070, 1539720140]

約数ペア:

[(1, 1539720140), (2, 769860070), (4, 384930035), (5, 307944028), (7, 219960020), (10, 153972014), (14, 109980010), (20, 76986007), (28, 54990005), (35, 43992004), (49, 31422860), (70, 21996002), (98, 15711430), (140, 10998001), (196, 7855715), (245, 6284572), (343, 4488980), (490, 3142286), (686, 2244490), (980, 1571143), (1372, 1122245), (1715, 897796), (3430, 448898), (6860, 224449)]