138652120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{757}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 330184800

約数和(自身を除く): 191532680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 241, 380, 482, 757, 760, 964, 1205, 1514, 1928, 2410, 3028, 3785, 4579, 4820, 6056, 7570, 9158, 9640, 14383, 15140, 18316, 22895, 28766, 30280, 36632, 45790, 57532, 71915, 91580, 115064, 143830, 182437, 183160, 287660, 364874, 575320, 729748, 912185, 1459496, 1824370, 3466303, 3648740, 6932606, 7297480, 13865212, 17331515, 27730424, 34663030, 69326060, 138652120]

約数ペア:

[(1, 138652120), (2, 69326060), (4, 34663030), (5, 27730424), (8, 17331515), (10, 13865212), (19, 7297480), (20, 6932606), (38, 3648740), (40, 3466303), (76, 1824370), (95, 1459496), (152, 912185), (190, 729748), (241, 575320), (380, 364874), (482, 287660), (757, 183160), (760, 182437), (964, 143830), (1205, 115064), (1514, 91580), (1928, 71915), (2410, 57532), (3028, 45790), (3785, 36632), (4579, 30280), (4820, 28766), (6056, 22895), (7570, 18316), (9158, 15140), (9640, 14383)]