311940356

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{1019}}^1$

素因数の和:1101

約数の個数: 72

約数和(自身を含む): 696521280

約数和(自身を除く): 384580924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 841, 1019, 1508, 1682, 2038, 2639, 3364, 4076, 5278, 5887, 7133, 10556, 10933, 11774, 13247, 14266, 21866, 23548, 26494, 28532, 29551, 43732, 52988, 59102, 76531, 92729, 118204, 153062, 185458, 206857, 306124, 370916, 384163, 413714, 768326, 827428, 856979, 1536652, 1713958, 2689141, 3427916, 5378282, 5998853, 10756564, 11140727, 11997706, 22281454, 23995412, 44562908, 77985089, 155970178, 311940356]

約数ペア:

[(1, 311940356), (2, 155970178), (4, 77985089), (7, 44562908), (13, 23995412), (14, 22281454), (26, 11997706), (28, 11140727), (29, 10756564), (52, 5998853), (58, 5378282), (91, 3427916), (116, 2689141), (182, 1713958), (203, 1536652), (364, 856979), (377, 827428), (406, 768326), (754, 413714), (812, 384163), (841, 370916), (1019, 306124), (1508, 206857), (1682, 185458), (2038, 153062), (2639, 118204), (3364, 92729), (4076, 76531), (5278, 59102), (5887, 52988), (7133, 43732), (10556, 29551), (10933, 28532), (11774, 26494), (13247, 23548), (14266, 21866)]