291470480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1879}}^1$

素因数の和:2176

約数の個数: 80

約数和(自身を含む): 777688320

約数和(自身を除く): 486217840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 277, 280, 554, 560, 1108, 1385, 1879, 1939, 2216, 2770, 3758, 3878, 4432, 5540, 7516, 7756, 9395, 9695, 11080, 13153, 15032, 15512, 18790, 19390, 22160, 26306, 30064, 31024, 37580, 38780, 52612, 65765, 75160, 77560, 105224, 131530, 150320, 155120, 210448, 263060, 520483, 526120, 1040966, 1052240, 2081932, 2602415, 3643381, 4163864, 5204830, 7286762, 8327728, 10409660, 14573524, 18216905, 20819320, 29147048, 36433810, 41638640, 58294096, 72867620, 145735240, 291470480]

約数ペア:

[(1, 291470480), (2, 145735240), (4, 72867620), (5, 58294096), (7, 41638640), (8, 36433810), (10, 29147048), (14, 20819320), (16, 18216905), (20, 14573524), (28, 10409660), (35, 8327728), (40, 7286762), (56, 5204830), (70, 4163864), (80, 3643381), (112, 2602415), (140, 2081932), (277, 1052240), (280, 1040966), (554, 526120), (560, 520483), (1108, 263060), (1385, 210448), (1879, 155120), (1939, 150320), (2216, 131530), (2770, 105224), (3758, 77560), (3878, 75160), (4432, 65765), (5540, 52612), (7516, 38780), (7756, 37580), (9395, 31024), (9695, 30064), (11080, 26306), (13153, 22160), (15032, 19390), (15512, 18790)]