102905360

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 246078000

約数和(自身を除く): 143172640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 97, 149, 178, 194, 298, 356, 388, 445, 485, 596, 712, 745, 776, 890, 970, 1192, 1424, 1490, 1552, 1780, 1940, 2384, 2980, 3560, 3880, 5960, 7120, 7760, 8633, 11920, 13261, 14453, 17266, 26522, 28906, 34532, 43165, 53044, 57812, 66305, 69064, 72265, 86330, 106088, 115624, 132610, 138128, 144530, 172660, 212176, 231248, 265220, 289060, 345320, 530440, 578120, 690640, 1060880, 1156240, 1286317, 2572634, 5145268, 6431585, 10290536, 12863170, 20581072, 25726340, 51452680, 102905360]

約数ペア:

[(1, 102905360), (2, 51452680), (4, 25726340), (5, 20581072), (8, 12863170), (10, 10290536), (16, 6431585), (20, 5145268), (40, 2572634), (80, 1286317), (89, 1156240), (97, 1060880), (149, 690640), (178, 578120), (194, 530440), (298, 345320), (356, 289060), (388, 265220), (445, 231248), (485, 212176), (596, 172660), (712, 144530), (745, 138128), (776, 132610), (890, 115624), (970, 106088), (1192, 86330), (1424, 72265), (1490, 69064), (1552, 66305), (1780, 57812), (1940, 53044), (2384, 43165), (2980, 34532), (3560, 28906), (3880, 26522), (5960, 17266), (7120, 14453), (7760, 13261), (8633, 11920)]