40330388

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 89046720

約数和(自身を除く): 48716332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 43, 76, 82, 86, 133, 164, 172, 266, 287, 301, 532, 574, 602, 779, 817, 1148, 1204, 1558, 1634, 1763, 1849, 3116, 3268, 3526, 3698, 5453, 5719, 7052, 7396, 10906, 11438, 12341, 12943, 21812, 22876, 24682, 25886, 33497, 35131, 49364, 51772, 66994, 70262, 75809, 133988, 140524, 151618, 234479, 245917, 303236, 468958, 491834, 530663, 937916, 983668, 1061326, 1440371, 2122652, 2880742, 5761484, 10082597, 20165194, 40330388]

約数ペア:

[(1, 40330388), (2, 20165194), (4, 10082597), (7, 5761484), (14, 2880742), (19, 2122652), (28, 1440371), (38, 1061326), (41, 983668), (43, 937916), (76, 530663), (82, 491834), (86, 468958), (133, 303236), (164, 245917), (172, 234479), (266, 151618), (287, 140524), (301, 133988), (532, 75809), (574, 70262), (602, 66994), (779, 51772), (817, 49364), (1148, 35131), (1204, 33497), (1558, 25886), (1634, 24682), (1763, 22876), (1849, 21812), (3116, 12943), (3268, 12341), (3526, 11438), (3698, 10906), (5453, 7396), (5719, 7052)]