311944288

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:512

約数の個数: 72

約数和(自身を含む): 661462200

約数和(自身を除く): 349517912

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 89, 136, 178, 272, 289, 356, 379, 544, 578, 712, 758, 1156, 1424, 1513, 1516, 2312, 2848, 3026, 3032, 4624, 6052, 6064, 6443, 9248, 12104, 12128, 12886, 24208, 25721, 25772, 33731, 48416, 51442, 51544, 67462, 102884, 103088, 109531, 134924, 205768, 206176, 219062, 269848, 411536, 438124, 539696, 573427, 823072, 876248, 1079392, 1146854, 1752496, 2293708, 3504992, 4587416, 9174832, 9748259, 18349664, 19496518, 38993036, 77986072, 155972144, 311944288]

約数ペア:

[(1, 311944288), (2, 155972144), (4, 77986072), (8, 38993036), (16, 19496518), (17, 18349664), (32, 9748259), (34, 9174832), (68, 4587416), (89, 3504992), (136, 2293708), (178, 1752496), (272, 1146854), (289, 1079392), (356, 876248), (379, 823072), (544, 573427), (578, 539696), (712, 438124), (758, 411536), (1156, 269848), (1424, 219062), (1513, 206176), (1516, 205768), (2312, 134924), (2848, 109531), (3026, 103088), (3032, 102884), (4624, 67462), (6052, 51544), (6064, 51442), (6443, 48416), (9248, 33731), (12104, 25772), (12128, 25721), (12886, 24208)]