75979480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 181116000

約数和(自身を除く): 105136520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 257, 380, 389, 514, 760, 778, 1028, 1285, 1556, 1945, 2056, 2570, 3112, 3890, 4883, 5140, 7391, 7780, 9766, 10280, 14782, 15560, 19532, 24415, 29564, 36955, 39064, 48830, 59128, 73910, 97660, 99973, 147820, 195320, 199946, 295640, 399892, 499865, 799784, 999730, 1899487, 1999460, 3798974, 3998920, 7597948, 9497435, 15195896, 18994870, 37989740, 75979480]

約数ペア:

[(1, 75979480), (2, 37989740), (4, 18994870), (5, 15195896), (8, 9497435), (10, 7597948), (19, 3998920), (20, 3798974), (38, 1999460), (40, 1899487), (76, 999730), (95, 799784), (152, 499865), (190, 399892), (257, 295640), (380, 199946), (389, 195320), (514, 147820), (760, 99973), (778, 97660), (1028, 73910), (1285, 59128), (1556, 48830), (1945, 39064), (2056, 36955), (2570, 29564), (3112, 24415), (3890, 19532), (4883, 15560), (5140, 14782), (7391, 10280), (7780, 9766)]