4431140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 10988544

約数和(自身を除く): 6557404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1021, 1085, 2042, 2170, 4084, 4340, 5105, 7147, 10210, 14294, 20420, 28588, 31651, 35735, 63302, 71470, 126604, 142940, 158255, 221557, 316510, 443114, 633020, 886228, 1107785, 2215570, 4431140]

約数ペア:

[(1, 4431140), (2, 2215570), (4, 1107785), (5, 886228), (7, 633020), (10, 443114), (14, 316510), (20, 221557), (28, 158255), (31, 142940), (35, 126604), (62, 71470), (70, 63302), (124, 35735), (140, 31651), (155, 28588), (217, 20420), (310, 14294), (434, 10210), (620, 7147), (868, 5105), (1021, 4340), (1085, 4084), (2042, 2170)]