179774420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{8179}}^1$

素因数の和:8352

約数の個数: 48

約数和(自身を含む): 434259840

約数和(自身を除く): 254485420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 8179, 10990, 16358, 21980, 32716, 40895, 57253, 81790, 114506, 163580, 229012, 286265, 572530, 1145060, 1284103, 2568206, 5136412, 6420515, 8988721, 12841030, 17977442, 25682060, 35954884, 44943605, 89887210, 179774420]

約数ペア:

[(1, 179774420), (2, 89887210), (4, 44943605), (5, 35954884), (7, 25682060), (10, 17977442), (14, 12841030), (20, 8988721), (28, 6420515), (35, 5136412), (70, 2568206), (140, 1284103), (157, 1145060), (314, 572530), (628, 286265), (785, 229012), (1099, 163580), (1570, 114506), (2198, 81790), (3140, 57253), (4396, 40895), (5495, 32716), (8179, 21980), (10990, 16358)]