3922987775

素因数分解:

$5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1249

約数の個数: 72

約数和(自身を含む): 5879105856

約数和(自身を除く): 1956118081

約数列:

[1, 5, 7, 25, 35, 47, 49, 61, 175, 235, 245, 305, 329, 427, 1117, 1175, 1225, 1525, 1645, 2135, 2303, 2867, 2989, 5585, 7819, 8225, 10675, 11515, 14335, 14945, 20069, 27925, 39095, 52499, 54733, 57575, 68137, 71675, 74725, 100345, 140483, 195475, 262495, 273665, 340685, 367493, 476959, 501725, 702415, 1312475, 1368325, 1703425, 1837465, 2384795, 2572451, 3202439, 3338713, 3512075, 9187325, 11923975, 12862255, 16012195, 16693565, 22417073, 64311275, 80060975, 83467825, 112085365, 156919511, 560426825, 784597555, 3922987775]

約数ペア:

[(1, 3922987775), (5, 784597555), (7, 560426825), (25, 156919511), (35, 112085365), (47, 83467825), (49, 80060975), (61, 64311275), (175, 22417073), (235, 16693565), (245, 16012195), (305, 12862255), (329, 11923975), (427, 9187325), (1117, 3512075), (1175, 3338713), (1225, 3202439), (1525, 2572451), (1645, 2384795), (2135, 1837465), (2303, 1703425), (2867, 1368325), (2989, 1312475), (5585, 702415), (7819, 501725), (8225, 476959), (10675, 367493), (11515, 340685), (14335, 273665), (14945, 262495), (20069, 195475), (27925, 140483), (39095, 100345), (52499, 74725), (54733, 71675), (57575, 68137)]