389635675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1493}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 575775648

約数和(自身を除く): 186139973

約数列:

[1, 5, 11, 13, 25, 55, 65, 73, 143, 275, 325, 365, 715, 803, 949, 1493, 1825, 3575, 4015, 4745, 7465, 10439, 16423, 19409, 20075, 23725, 37325, 52195, 82115, 97045, 108989, 213499, 260975, 410575, 485225, 544945, 1067495, 1198879, 1416857, 2724725, 5337475, 5994395, 7084285, 15585427, 29971975, 35421425, 77927135, 389635675]

約数ペア:

[(1, 389635675), (5, 77927135), (11, 35421425), (13, 29971975), (25, 15585427), (55, 7084285), (65, 5994395), (73, 5337475), (143, 2724725), (275, 1416857), (325, 1198879), (365, 1067495), (715, 544945), (803, 485225), (949, 410575), (1493, 260975), (1825, 213499), (3575, 108989), (4015, 97045), (4745, 82115), (7465, 52195), (10439, 37325), (16423, 23725), (19409, 20075)]