212920120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7529}}^1$

素因数の和:7648

約数の個数: 64

約数和(自身を含む): 553003200

約数和(自身を除く): 340083080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2828, 3535, 4040, 5656, 7070, 7529, 14140, 15058, 28280, 30116, 37645, 52703, 60232, 75290, 105406, 150580, 210812, 263515, 301160, 421624, 527030, 760429, 1054060, 1520858, 2108120, 3041716, 3802145, 5323003, 6083432, 7604290, 10646006, 15208580, 21292012, 26615015, 30417160, 42584024, 53230030, 106460060, 212920120]

約数ペア:

[(1, 212920120), (2, 106460060), (4, 53230030), (5, 42584024), (7, 30417160), (8, 26615015), (10, 21292012), (14, 15208580), (20, 10646006), (28, 7604290), (35, 6083432), (40, 5323003), (56, 3802145), (70, 3041716), (101, 2108120), (140, 1520858), (202, 1054060), (280, 760429), (404, 527030), (505, 421624), (707, 301160), (808, 263515), (1010, 210812), (1414, 150580), (2020, 105406), (2828, 75290), (3535, 60232), (4040, 52703), (5656, 37645), (7070, 30116), (7529, 28280), (14140, 15058)]