285180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 938448

約数和(自身を除く): 653268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 97, 98, 105, 140, 147, 194, 196, 210, 245, 291, 294, 388, 420, 485, 490, 582, 588, 679, 735, 970, 980, 1164, 1358, 1455, 1470, 1940, 2037, 2716, 2910, 2940, 3395, 4074, 4753, 5820, 6790, 8148, 9506, 10185, 13580, 14259, 19012, 20370, 23765, 28518, 40740, 47530, 57036, 71295, 95060, 142590, 285180]

約数ペア:

[(1, 285180), (2, 142590), (3, 95060), (4, 71295), (5, 57036), (6, 47530), (7, 40740), (10, 28518), (12, 23765), (14, 20370), (15, 19012), (20, 14259), (21, 13580), (28, 10185), (30, 9506), (35, 8148), (42, 6790), (49, 5820), (60, 4753), (70, 4074), (84, 3395), (97, 2940), (98, 2910), (105, 2716), (140, 2037), (147, 1940), (194, 1470), (196, 1455), (210, 1358), (245, 1164), (291, 980), (294, 970), (388, 735), (420, 679), (485, 588), (490, 582)]