173621740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 373332960

約数和(自身を除く): 199711220

約数列:

[1, 2, 4, 5, 10, 20, 73, 109, 146, 218, 292, 365, 436, 545, 730, 1090, 1091, 1460, 2180, 2182, 4364, 5455, 7957, 10910, 15914, 21820, 31828, 39785, 79570, 79643, 118919, 159140, 159286, 237838, 318572, 398215, 475676, 594595, 796430, 1189190, 1592860, 2378380, 8681087, 17362174, 34724348, 43405435, 86810870, 173621740]

約数ペア:

[(1, 173621740), (2, 86810870), (4, 43405435), (5, 34724348), (10, 17362174), (20, 8681087), (73, 2378380), (109, 1592860), (146, 1189190), (218, 796430), (292, 594595), (365, 475676), (436, 398215), (545, 318572), (730, 237838), (1090, 159286), (1091, 159140), (1460, 118919), (2180, 79643), (2182, 79570), (4364, 39785), (5455, 31828), (7957, 21820), (10910, 15914)]