179921950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2113}}^1$

素因数の和:2269

約数の個数: 48

約数和(自身を含む): 363320496

約数和(自身を除く): 183398546

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 131, 262, 325, 650, 655, 1310, 1703, 2113, 3275, 3406, 4226, 6550, 8515, 10565, 17030, 21130, 27469, 42575, 52825, 54938, 85150, 105650, 137345, 274690, 276803, 553606, 686725, 1373450, 1384015, 2768030, 3598439, 6920075, 7196878, 13840150, 17992195, 35984390, 89960975, 179921950]

約数ペア:

[(1, 179921950), (2, 89960975), (5, 35984390), (10, 17992195), (13, 13840150), (25, 7196878), (26, 6920075), (50, 3598439), (65, 2768030), (130, 1384015), (131, 1373450), (262, 686725), (325, 553606), (650, 276803), (655, 274690), (1310, 137345), (1703, 105650), (2113, 85150), (3275, 54938), (3406, 52825), (4226, 42575), (6550, 27469), (8515, 21130), (10565, 17030)]