143178980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{757}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 352042488

約数和(自身を除く): 208863508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 193, 196, 245, 386, 490, 757, 772, 965, 980, 1351, 1514, 1930, 2702, 3028, 3785, 3860, 5299, 5404, 6755, 7570, 9457, 10598, 13510, 15140, 18914, 21196, 26495, 27020, 37093, 37828, 47285, 52990, 74186, 94570, 105980, 146101, 148372, 185465, 189140, 292202, 370930, 584404, 730505, 741860, 1022707, 1461010, 2045414, 2922020, 4090828, 5113535, 7158949, 10227070, 14317898, 20454140, 28635796, 35794745, 71589490, 143178980]

約数ペア:

[(1, 143178980), (2, 71589490), (4, 35794745), (5, 28635796), (7, 20454140), (10, 14317898), (14, 10227070), (20, 7158949), (28, 5113535), (35, 4090828), (49, 2922020), (70, 2045414), (98, 1461010), (140, 1022707), (193, 741860), (196, 730505), (245, 584404), (386, 370930), (490, 292202), (757, 189140), (772, 185465), (965, 148372), (980, 146101), (1351, 105980), (1514, 94570), (1930, 74186), (2702, 52990), (3028, 47285), (3785, 37828), (3860, 37093), (5299, 27020), (5404, 26495), (6755, 21196), (7570, 18914), (9457, 15140), (10598, 13510)]