189741520

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{2861}}^1$

素因数の和:3703

約数の個数: 40

約数和(自身を含む): 441835560

約数和(自身を除く): 252094040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 1658, 2861, 3316, 4145, 5722, 6632, 8290, 11444, 13264, 14305, 16580, 22888, 28610, 33160, 45776, 57220, 66320, 114440, 228880, 2371769, 4743538, 9487076, 11858845, 18974152, 23717690, 37948304, 47435380, 94870760, 189741520]

約数ペア:

[(1, 189741520), (2, 94870760), (4, 47435380), (5, 37948304), (8, 23717690), (10, 18974152), (16, 11858845), (20, 9487076), (40, 4743538), (80, 2371769), (829, 228880), (1658, 114440), (2861, 66320), (3316, 57220), (4145, 45776), (5722, 33160), (6632, 28610), (8290, 22888), (11444, 16580), (13264, 14305)]