312859820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{433}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 812531328

約数和(自身を除く): 499671508

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 397, 433, 455, 794, 866, 910, 1588, 1732, 1820, 1985, 2165, 2779, 3031, 3970, 4330, 5161, 5558, 5629, 6062, 7940, 8660, 10322, 11116, 11258, 12124, 13895, 15155, 20644, 22516, 25805, 27790, 28145, 30310, 36127, 39403, 51610, 55580, 56290, 60620, 72254, 78806, 103220, 112580, 144508, 157612, 171901, 180635, 197015, 343802, 361270, 394030, 687604, 722540, 788060, 859505, 1203307, 1719010, 2234713, 2406614, 3438020, 4469426, 4813228, 6016535, 8938852, 11173565, 12033070, 15642991, 22347130, 24066140, 31285982, 44694260, 62571964, 78214955, 156429910, 312859820]

約数ペア:

[(1, 312859820), (2, 156429910), (4, 78214955), (5, 62571964), (7, 44694260), (10, 31285982), (13, 24066140), (14, 22347130), (20, 15642991), (26, 12033070), (28, 11173565), (35, 8938852), (52, 6016535), (65, 4813228), (70, 4469426), (91, 3438020), (130, 2406614), (140, 2234713), (182, 1719010), (260, 1203307), (364, 859505), (397, 788060), (433, 722540), (455, 687604), (794, 394030), (866, 361270), (910, 343802), (1588, 197015), (1732, 180635), (1820, 171901), (1985, 157612), (2165, 144508), (2779, 112580), (3031, 103220), (3970, 78806), (4330, 72254), (5161, 60620), (5558, 56290), (5629, 55580), (6062, 51610), (7940, 39403), (8660, 36127), (10322, 30310), (11116, 28145), (11258, 27790), (12124, 25805), (13895, 22516), (15155, 20644)]