30380

素因数分解:

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

素因数の和:54

約数の個数: 36

約数和(自身を含む): 76608

約数和(自身を除く): 46228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190, 30380]

約数ペア:

[(1, 30380), (2, 15190), (4, 7595), (5, 6076), (7, 4340), (10, 3038), (14, 2170), (20, 1519), (28, 1085), (31, 980), (35, 868), (49, 620), (62, 490), (70, 434), (98, 310), (124, 245), (140, 217), (155, 196)]