83447980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7741}}^1$

素因数の和:7775

約数の個数: 72

約数和(自身を含む): 222412176

約数和(自身を除く): 138964196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 7741, 10780, 15482, 30964, 38705, 54187, 77410, 85151, 108374, 154820, 170302, 216748, 270935, 340604, 379309, 425755, 541870, 596057, 758618, 851510, 1083740, 1192114, 1517236, 1703020, 1896545, 2384228, 2980285, 3793090, 4172399, 5960570, 7586180, 8344798, 11921140, 16689596, 20861995, 41723990, 83447980]

約数ペア:

[(1, 83447980), (2, 41723990), (4, 20861995), (5, 16689596), (7, 11921140), (10, 8344798), (11, 7586180), (14, 5960570), (20, 4172399), (22, 3793090), (28, 2980285), (35, 2384228), (44, 1896545), (49, 1703020), (55, 1517236), (70, 1192114), (77, 1083740), (98, 851510), (110, 758618), (140, 596057), (154, 541870), (196, 425755), (220, 379309), (245, 340604), (308, 270935), (385, 216748), (490, 170302), (539, 154820), (770, 108374), (980, 85151), (1078, 77410), (1540, 54187), (2156, 38705), (2695, 30964), (5390, 15482), (7741, 10780)]