919964080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{2441}}^1$

素因数の和:3134

約数の個数: 80

約数和(自身を含む): 2449111104

約数和(自身を除く): 1529147024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 673, 1346, 2441, 2692, 3365, 4711, 4882, 5384, 6730, 9422, 9764, 10768, 12205, 13460, 17087, 18844, 19528, 23555, 24410, 26920, 34174, 37688, 39056, 47110, 48820, 53840, 68348, 75376, 85435, 94220, 97640, 136696, 170870, 188440, 195280, 273392, 341740, 376880, 683480, 1366960, 1642793, 3285586, 6571172, 8213965, 11499551, 13142344, 16427930, 22999102, 26284688, 32855860, 45998204, 57497755, 65711720, 91996408, 114995510, 131423440, 183992816, 229991020, 459982040, 919964080]

約数ペア:

[(1, 919964080), (2, 459982040), (4, 229991020), (5, 183992816), (7, 131423440), (8, 114995510), (10, 91996408), (14, 65711720), (16, 57497755), (20, 45998204), (28, 32855860), (35, 26284688), (40, 22999102), (56, 16427930), (70, 13142344), (80, 11499551), (112, 8213965), (140, 6571172), (280, 3285586), (560, 1642793), (673, 1366960), (1346, 683480), (2441, 376880), (2692, 341740), (3365, 273392), (4711, 195280), (4882, 188440), (5384, 170870), (6730, 136696), (9422, 97640), (9764, 94220), (10768, 85435), (12205, 75376), (13460, 68348), (17087, 53840), (18844, 48820), (19528, 47110), (23555, 39056), (24410, 37688), (26920, 34174)]