31176740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1097}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 78858360

約数和(自身を除く): 47681620

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, 1097, 1421, 2030, 2194, 2842, 4060, 4388, 5485, 5684, 7105, 7679, 10970, 14210, 15358, 21940, 28420, 30716, 31813, 38395, 53753, 63626, 76790, 107506, 127252, 153580, 159065, 215012, 222691, 268765, 318130, 445382, 537530, 636260, 890764, 1075060, 1113455, 1558837, 2226910, 3117674, 4453820, 6235348, 7794185, 15588370, 31176740]

約数ペア:

[(1, 31176740), (2, 15588370), (4, 7794185), (5, 6235348), (7, 4453820), (10, 3117674), (14, 2226910), (20, 1558837), (28, 1113455), (29, 1075060), (35, 890764), (49, 636260), (58, 537530), (70, 445382), (98, 318130), (116, 268765), (140, 222691), (145, 215012), (196, 159065), (203, 153580), (245, 127252), (290, 107506), (406, 76790), (490, 63626), (580, 53753), (812, 38395), (980, 31813), (1015, 30716), (1097, 28420), (1421, 21940), (2030, 15358), (2194, 14210), (2842, 10970), (4060, 7679), (4388, 7105), (5485, 5684)]