2219005180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{78079}}^1$

素因数の和:78131

約数の個数: 72

約数和(自身を含む): 5607705600

約数和(自身を除く): 3388700420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 4060, 5684, 7105, 14210, 28420, 78079, 156158, 312316, 390395, 546553, 780790, 1093106, 1561580, 2186212, 2264291, 2732765, 3825871, 4528582, 5465530, 7651742, 9057164, 10931060, 11321455, 15303484, 15850037, 19129355, 22642910, 31700074, 38258710, 45285820, 63400148, 76517420, 79250185, 110950259, 158500370, 221900518, 317000740, 443801036, 554751295, 1109502590, 2219005180]

約数ペア:

[(1, 2219005180), (2, 1109502590), (4, 554751295), (5, 443801036), (7, 317000740), (10, 221900518), (14, 158500370), (20, 110950259), (28, 79250185), (29, 76517420), (35, 63400148), (49, 45285820), (58, 38258710), (70, 31700074), (98, 22642910), (116, 19129355), (140, 15850037), (145, 15303484), (196, 11321455), (203, 10931060), (245, 9057164), (290, 7651742), (406, 5465530), (490, 4528582), (580, 3825871), (812, 2732765), (980, 2264291), (1015, 2186212), (1421, 1561580), (2030, 1093106), (2842, 780790), (4060, 546553), (5684, 390395), (7105, 312316), (14210, 156158), (28420, 78079)]