2912296720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{1951}}^1$

素因数の和:2408

約数の個数: 80

約数和(自身を含む): 6936127488

約数和(自身を除く): 4023830768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 397, 470, 752, 794, 940, 1588, 1880, 1951, 1985, 3176, 3760, 3902, 3970, 6352, 7804, 7940, 9755, 15608, 15880, 18659, 19510, 31216, 31760, 37318, 39020, 74636, 78040, 91697, 93295, 149272, 156080, 183394, 186590, 298544, 366788, 373180, 458485, 733576, 746360, 774547, 916970, 1467152, 1492720, 1549094, 1833940, 3098188, 3667880, 3872735, 6196376, 7335760, 7745470, 12392752, 15490940, 30981880, 36403709, 61963760, 72807418, 145614836, 182018545, 291229672, 364037090, 582459344, 728074180, 1456148360, 2912296720]

約数ペア:

[(1, 2912296720), (2, 1456148360), (4, 728074180), (5, 582459344), (8, 364037090), (10, 291229672), (16, 182018545), (20, 145614836), (40, 72807418), (47, 61963760), (80, 36403709), (94, 30981880), (188, 15490940), (235, 12392752), (376, 7745470), (397, 7335760), (470, 6196376), (752, 3872735), (794, 3667880), (940, 3098188), (1588, 1833940), (1880, 1549094), (1951, 1492720), (1985, 1467152), (3176, 916970), (3760, 774547), (3902, 746360), (3970, 733576), (6352, 458485), (7804, 373180), (7940, 366788), (9755, 298544), (15608, 186590), (15880, 183394), (18659, 156080), (19510, 149272), (31216, 93295), (31760, 91697), (37318, 78040), (39020, 74636)]