2186380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 5630688

約数和(自身を除く): 3444308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 97, 98, 115, 140, 161, 194, 196, 230, 245, 322, 388, 460, 485, 490, 644, 679, 805, 970, 980, 1127, 1358, 1610, 1940, 2231, 2254, 2716, 3220, 3395, 4462, 4508, 4753, 5635, 6790, 8924, 9506, 11155, 11270, 13580, 15617, 19012, 22310, 22540, 23765, 31234, 44620, 47530, 62468, 78085, 95060, 109319, 156170, 218638, 312340, 437276, 546595, 1093190, 2186380]

約数ペア:

[(1, 2186380), (2, 1093190), (4, 546595), (5, 437276), (7, 312340), (10, 218638), (14, 156170), (20, 109319), (23, 95060), (28, 78085), (35, 62468), (46, 47530), (49, 44620), (70, 31234), (92, 23765), (97, 22540), (98, 22310), (115, 19012), (140, 15617), (161, 13580), (194, 11270), (196, 11155), (230, 9506), (245, 8924), (322, 6790), (388, 5635), (460, 4753), (485, 4508), (490, 4462), (644, 3395), (679, 3220), (805, 2716), (970, 2254), (980, 2231), (1127, 1940), (1358, 1610)]