212071720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7499}}^1$

素因数の和:7618

約数の個数: 64

約数和(自身を含む): 550800000

約数和(自身を除く): 338728280

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, 7499, 14140, 14998, 28280, 29996, 37495, 52493, 59992, 74990, 104986, 149980, 209972, 262465, 299960, 419944, 524930, 757399, 1049860, 1514798, 2099720, 3029596, 3786995, 5301793, 6059192, 7573990, 10603586, 15147980, 21207172, 26508965, 30295960, 42414344, 53017930, 106035860, 212071720]

約数ペア:

[(1, 212071720), (2, 106035860), (4, 53017930), (5, 42414344), (7, 30295960), (8, 26508965), (10, 21207172), (14, 15147980), (20, 10603586), (28, 7573990), (35, 6059192), (40, 5301793), (56, 3786995), (70, 3029596), (101, 2099720), (140, 1514798), (202, 1049860), (280, 757399), (404, 524930), (505, 419944), (707, 299960), (808, 262465), (1010, 209972), (1414, 149980), (2020, 104986), (2828, 74990), (3535, 59992), (4040, 52493), (5656, 37495), (7070, 29996), (7499, 28280), (14140, 14998)]