2540650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:104

約数の個数: 72

約数和(自身を含む): 5915916

約数和(自身を除く): 3375266

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 49, 50, 61, 70, 85, 98, 119, 122, 170, 175, 238, 245, 305, 350, 425, 427, 490, 595, 610, 833, 850, 854, 1037, 1190, 1225, 1525, 1666, 2074, 2135, 2450, 2975, 2989, 3050, 4165, 4270, 5185, 5950, 5978, 7259, 8330, 10370, 10675, 14518, 14945, 20825, 21350, 25925, 29890, 36295, 41650, 50813, 51850, 72590, 74725, 101626, 149450, 181475, 254065, 362950, 508130, 1270325, 2540650]

約数ペア:

[(1, 2540650), (2, 1270325), (5, 508130), (7, 362950), (10, 254065), (14, 181475), (17, 149450), (25, 101626), (34, 74725), (35, 72590), (49, 51850), (50, 50813), (61, 41650), (70, 36295), (85, 29890), (98, 25925), (119, 21350), (122, 20825), (170, 14945), (175, 14518), (238, 10675), (245, 10370), (305, 8330), (350, 7259), (425, 5978), (427, 5950), (490, 5185), (595, 4270), (610, 4165), (833, 3050), (850, 2989), (854, 2975), (1037, 2450), (1190, 2135), (1225, 2074), (1525, 1666)]