31347260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1103}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 79289280

約数和(自身を除く): 47942020

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, 1103, 1421, 2030, 2206, 2842, 4060, 4412, 5515, 5684, 7105, 7721, 11030, 14210, 15442, 22060, 28420, 30884, 31987, 38605, 54047, 63974, 77210, 108094, 127948, 154420, 159935, 216188, 223909, 270235, 319870, 447818, 540470, 639740, 895636, 1080940, 1119545, 1567363, 2239090, 3134726, 4478180, 6269452, 7836815, 15673630, 31347260]

約数ペア:

[(1, 31347260), (2, 15673630), (4, 7836815), (5, 6269452), (7, 4478180), (10, 3134726), (14, 2239090), (20, 1567363), (28, 1119545), (29, 1080940), (35, 895636), (49, 639740), (58, 540470), (70, 447818), (98, 319870), (116, 270235), (140, 223909), (145, 216188), (196, 159935), (203, 154420), (245, 127948), (290, 108094), (406, 77210), (490, 63974), (580, 54047), (812, 38605), (980, 31987), (1015, 30884), (1103, 28420), (1421, 22060), (2030, 15442), (2206, 14210), (2842, 11030), (4060, 7721), (4412, 7105), (5515, 5684)]