9089990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1461

約数の個数: 48

約数和(自身を含む): 20511792

約数和(自身を除く): 11421802

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 1427, 2854, 3185, 6370, 7135, 9989, 14270, 18551, 19978, 37102, 49945, 69923, 92755, 99890, 129857, 139846, 185510, 259714, 349615, 649285, 699230, 908999, 1298570, 1817998, 4544995, 9089990]

約数ペア:

[(1, 9089990), (2, 4544995), (5, 1817998), (7, 1298570), (10, 908999), (13, 699230), (14, 649285), (26, 349615), (35, 259714), (49, 185510), (65, 139846), (70, 129857), (91, 99890), (98, 92755), (130, 69923), (182, 49945), (245, 37102), (455, 19978), (490, 18551), (637, 14270), (910, 9989), (1274, 7135), (1427, 6370), (2854, 3185)]