2018784775

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 2910885120

約数和(自身を除く): 892100345

約数列:

[1, 5, 7, 25, 35, 89, 175, 227, 445, 571, 623, 1135, 1589, 2225, 2855, 3115, 3997, 5675, 7945, 14275, 15575, 19985, 20203, 39725, 50819, 99925, 101015, 129617, 141421, 254095, 355733, 505075, 648085, 707105, 907319, 1270475, 1778665, 3240425, 3535525, 4536595, 8893325, 11535913, 22682975, 57679565, 80751391, 288397825, 403756955, 2018784775]

約数ペア:

[(1, 2018784775), (5, 403756955), (7, 288397825), (25, 80751391), (35, 57679565), (89, 22682975), (175, 11535913), (227, 8893325), (445, 4536595), (571, 3535525), (623, 3240425), (1135, 1778665), (1589, 1270475), (2225, 907319), (2855, 707105), (3115, 648085), (3997, 505075), (5675, 355733), (7945, 254095), (14275, 141421), (15575, 129617), (19985, 101015), (20203, 99925), (39725, 50819)]