239970416

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 545988864

約数和(自身を除く): 306018448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 113, 134, 226, 268, 283, 452, 469, 536, 566, 791, 904, 938, 1072, 1132, 1582, 1808, 1876, 1981, 2264, 3164, 3752, 3962, 4528, 6328, 7504, 7571, 7924, 12656, 15142, 15848, 18961, 30284, 31696, 31979, 37922, 52997, 60568, 63958, 75844, 105994, 121136, 127916, 132727, 151688, 211988, 223853, 255832, 265454, 303376, 423976, 447706, 511664, 530908, 847952, 895412, 1061816, 1790824, 2123632, 2142593, 3581648, 4285186, 8570372, 14998151, 17140744, 29996302, 34281488, 59992604, 119985208, 239970416]

約数ペア:

[(1, 239970416), (2, 119985208), (4, 59992604), (7, 34281488), (8, 29996302), (14, 17140744), (16, 14998151), (28, 8570372), (56, 4285186), (67, 3581648), (112, 2142593), (113, 2123632), (134, 1790824), (226, 1061816), (268, 895412), (283, 847952), (452, 530908), (469, 511664), (536, 447706), (566, 423976), (791, 303376), (904, 265454), (938, 255832), (1072, 223853), (1132, 211988), (1582, 151688), (1808, 132727), (1876, 127916), (1981, 121136), (2264, 105994), (3164, 75844), (3752, 63958), (3962, 60568), (4528, 52997), (6328, 37922), (7504, 31979), (7571, 31696), (7924, 30284), (12656, 18961), (15142, 15848)]