5428220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 13789440

約数和(自身を除く): 8361220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 191, 196, 203, 245, 290, 382, 406, 490, 580, 764, 812, 955, 980, 1015, 1337, 1421, 1910, 2030, 2674, 2842, 3820, 4060, 5348, 5539, 5684, 6685, 7105, 9359, 11078, 13370, 14210, 18718, 22156, 26740, 27695, 28420, 37436, 38773, 46795, 55390, 77546, 93590, 110780, 155092, 187180, 193865, 271411, 387730, 542822, 775460, 1085644, 1357055, 2714110, 5428220]

約数ペア:

[(1, 5428220), (2, 2714110), (4, 1357055), (5, 1085644), (7, 775460), (10, 542822), (14, 387730), (20, 271411), (28, 193865), (29, 187180), (35, 155092), (49, 110780), (58, 93590), (70, 77546), (98, 55390), (116, 46795), (140, 38773), (145, 37436), (191, 28420), (196, 27695), (203, 26740), (245, 22156), (290, 18718), (382, 14210), (406, 13370), (490, 11078), (580, 9359), (764, 7105), (812, 6685), (955, 5684), (980, 5539), (1015, 5348), (1337, 4060), (1421, 3820), (1910, 2842), (2030, 2674)]