29939420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2707}}^1$

素因数の和:2802

約数の個数: 48

約数和(自身を含む): 72791040

約数和(自身を除く): 42851620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2707, 2765, 5414, 5530, 10828, 11060, 13535, 18949, 27070, 37898, 54140, 75796, 94745, 189490, 213853, 378980, 427706, 855412, 1069265, 1496971, 2138530, 2993942, 4277060, 5987884, 7484855, 14969710, 29939420]

約数ペア:

[(1, 29939420), (2, 14969710), (4, 7484855), (5, 5987884), (7, 4277060), (10, 2993942), (14, 2138530), (20, 1496971), (28, 1069265), (35, 855412), (70, 427706), (79, 378980), (140, 213853), (158, 189490), (316, 94745), (395, 75796), (553, 54140), (790, 37898), (1106, 27070), (1580, 18949), (2212, 13535), (2707, 11060), (2765, 10828), (5414, 5530)]