415993640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{3253}}^1$

素因数の和:3426

約数の個数: 64

約数和(自身を含む): 984009600

約数和(自身を除く): 568015960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1390, 2780, 3197, 3253, 5560, 6394, 6506, 12788, 13012, 15985, 16265, 25576, 26024, 31970, 32530, 63940, 65060, 74819, 127880, 130120, 149638, 299276, 374095, 452167, 598552, 748190, 904334, 1496380, 1808668, 2260835, 2992760, 3617336, 4521670, 9043340, 10399841, 18086680, 20799682, 41599364, 51999205, 83198728, 103998410, 207996820, 415993640]

約数ペア:

[(1, 415993640), (2, 207996820), (4, 103998410), (5, 83198728), (8, 51999205), (10, 41599364), (20, 20799682), (23, 18086680), (40, 10399841), (46, 9043340), (92, 4521670), (115, 3617336), (139, 2992760), (184, 2260835), (230, 1808668), (278, 1496380), (460, 904334), (556, 748190), (695, 598552), (920, 452167), (1112, 374095), (1390, 299276), (2780, 149638), (3197, 130120), (3253, 127880), (5560, 74819), (6394, 65060), (6506, 63940), (12788, 32530), (13012, 31970), (15985, 26024), (16265, 25576)]