287992240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{577}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 712132992

約数和(自身を除く): 424140752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 367, 577, 680, 734, 1154, 1360, 1468, 1835, 2308, 2885, 2936, 3670, 4616, 5770, 5872, 6239, 7340, 9232, 9809, 11540, 12478, 14680, 19618, 23080, 24956, 29360, 31195, 39236, 46160, 49045, 49912, 62390, 78472, 98090, 99824, 124780, 156944, 196180, 211759, 249560, 392360, 423518, 499120, 784720, 847036, 1058795, 1694072, 2117590, 3388144, 3599903, 4235180, 7199806, 8470360, 14399612, 16940720, 17999515, 28799224, 35999030, 57598448, 71998060, 143996120, 287992240]

約数ペア:

[(1, 287992240), (2, 143996120), (4, 71998060), (5, 57598448), (8, 35999030), (10, 28799224), (16, 17999515), (17, 16940720), (20, 14399612), (34, 8470360), (40, 7199806), (68, 4235180), (80, 3599903), (85, 3388144), (136, 2117590), (170, 1694072), (272, 1058795), (340, 847036), (367, 784720), (577, 499120), (680, 423518), (734, 392360), (1154, 249560), (1360, 211759), (1468, 196180), (1835, 156944), (2308, 124780), (2885, 99824), (2936, 98090), (3670, 78472), (4616, 62390), (5770, 49912), (5872, 49045), (6239, 46160), (7340, 39236), (9232, 31195), (9809, 29360), (11540, 24956), (12478, 23080), (14680, 19618)]