274307840

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 108

約数和(自身を含む): 681976512

約数和(自身を除く): 407668672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 223, 248, 256, 310, 320, 446, 496, 620, 640, 892, 961, 992, 1115, 1240, 1280, 1784, 1922, 1984, 2230, 2480, 3568, 3844, 3968, 4460, 4805, 4960, 6913, 7136, 7688, 7936, 8920, 9610, 9920, 13826, 14272, 15376, 17840, 19220, 19840, 27652, 28544, 30752, 34565, 35680, 38440, 39680, 55304, 57088, 61504, 69130, 71360, 76880, 110608, 123008, 138260, 142720, 153760, 214303, 221216, 246016, 276520, 285440, 307520, 428606, 442432, 553040, 615040, 857212, 884864, 1071515, 1106080, 1230080, 1714424, 1769728, 2143030, 2212160, 3428848, 4286060, 4424320, 6857696, 8572120, 8848640, 13715392, 17144240, 27430784, 34288480, 54861568, 68576960, 137153920, 274307840]

約数ペア:

[(1, 274307840), (2, 137153920), (4, 68576960), (5, 54861568), (8, 34288480), (10, 27430784), (16, 17144240), (20, 13715392), (31, 8848640), (32, 8572120), (40, 6857696), (62, 4424320), (64, 4286060), (80, 3428848), (124, 2212160), (128, 2143030), (155, 1769728), (160, 1714424), (223, 1230080), (248, 1106080), (256, 1071515), (310, 884864), (320, 857212), (446, 615040), (496, 553040), (620, 442432), (640, 428606), (892, 307520), (961, 285440), (992, 276520), (1115, 246016), (1240, 221216), (1280, 214303), (1784, 153760), (1922, 142720), (1984, 138260), (2230, 123008), (2480, 110608), (3568, 76880), (3844, 71360), (3968, 69130), (4460, 61504), (4805, 57088), (4960, 55304), (6913, 39680), (7136, 38440), (7688, 35680), (7936, 34565), (8920, 30752), (9610, 28544), (9920, 27652), (13826, 19840), (14272, 19220), (15376, 17840)]