19001080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 49536000

約数和(自身を除く): 30534920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 859, 1106, 1580, 1718, 2212, 2765, 3160, 3436, 4295, 4424, 5530, 6013, 6872, 8590, 11060, 12026, 17180, 22120, 24052, 30065, 34360, 48104, 60130, 67861, 120260, 135722, 240520, 271444, 339305, 475027, 542888, 678610, 950054, 1357220, 1900108, 2375135, 2714440, 3800216, 4750270, 9500540, 19001080]

約数ペア:

[(1, 19001080), (2, 9500540), (4, 4750270), (5, 3800216), (7, 2714440), (8, 2375135), (10, 1900108), (14, 1357220), (20, 950054), (28, 678610), (35, 542888), (40, 475027), (56, 339305), (70, 271444), (79, 240520), (140, 135722), (158, 120260), (280, 67861), (316, 60130), (395, 48104), (553, 34360), (632, 30065), (790, 24052), (859, 22120), (1106, 17180), (1580, 12026), (1718, 11060), (2212, 8590), (2765, 6872), (3160, 6013), (3436, 5530), (4295, 4424)]