138699820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 344881152

約数和(自身を除く): 206181332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 107, 140, 188, 197, 214, 235, 329, 394, 428, 470, 535, 658, 749, 788, 940, 985, 1070, 1316, 1379, 1498, 1645, 1970, 2140, 2758, 2996, 3290, 3745, 3940, 5029, 5516, 6580, 6895, 7490, 9259, 10058, 13790, 14980, 18518, 20116, 21079, 25145, 27580, 35203, 37036, 42158, 46295, 50290, 64813, 70406, 84316, 92590, 100580, 105395, 129626, 140812, 147553, 176015, 185180, 210790, 259252, 295106, 324065, 352030, 421580, 590212, 648130, 704060, 737765, 990713, 1296260, 1475530, 1981426, 2951060, 3962852, 4953565, 6934991, 9907130, 13869982, 19814260, 27739964, 34674955, 69349910, 138699820]

約数ペア:

[(1, 138699820), (2, 69349910), (4, 34674955), (5, 27739964), (7, 19814260), (10, 13869982), (14, 9907130), (20, 6934991), (28, 4953565), (35, 3962852), (47, 2951060), (70, 1981426), (94, 1475530), (107, 1296260), (140, 990713), (188, 737765), (197, 704060), (214, 648130), (235, 590212), (329, 421580), (394, 352030), (428, 324065), (470, 295106), (535, 259252), (658, 210790), (749, 185180), (788, 176015), (940, 147553), (985, 140812), (1070, 129626), (1316, 105395), (1379, 100580), (1498, 92590), (1645, 84316), (1970, 70406), (2140, 64813), (2758, 50290), (2996, 46295), (3290, 42158), (3745, 37036), (3940, 35203), (5029, 27580), (5516, 25145), (6580, 21079), (6895, 20116), (7490, 18518), (9259, 14980), (10058, 13790)]