138442280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1151}}^1$

素因数の和:1290

約数の個数: 64

約数和(自身を含む): 325140480

約数和(自身を除く): 186698200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 776, 970, 1151, 1240, 1940, 2302, 3007, 3880, 4604, 5755, 6014, 9208, 11510, 12028, 15035, 23020, 24056, 30070, 35681, 46040, 60140, 71362, 111647, 120280, 142724, 178405, 223294, 285448, 356810, 446588, 558235, 713620, 893176, 1116470, 1427240, 2232940, 3461057, 4465880, 6922114, 13844228, 17305285, 27688456, 34610570, 69221140, 138442280]

約数ペア:

[(1, 138442280), (2, 69221140), (4, 34610570), (5, 27688456), (8, 17305285), (10, 13844228), (20, 6922114), (31, 4465880), (40, 3461057), (62, 2232940), (97, 1427240), (124, 1116470), (155, 893176), (194, 713620), (248, 558235), (310, 446588), (388, 356810), (485, 285448), (620, 223294), (776, 178405), (970, 142724), (1151, 120280), (1240, 111647), (1940, 71362), (2302, 60140), (3007, 46040), (3880, 35681), (4604, 30070), (5755, 24056), (6014, 23020), (9208, 15035), (11510, 12028)]