251899620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1301}}^1$

素因数の和:1781

約数の個数: 96

約数和(自身を含む): 808448256

約数和(自身を除く): 556548636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 461, 922, 1301, 1383, 1844, 2305, 2602, 2766, 3227, 3903, 4610, 5204, 5532, 6454, 6505, 6915, 7806, 9107, 9220, 9681, 12908, 13010, 13830, 15612, 16135, 18214, 19362, 19515, 26020, 27321, 27660, 32270, 36428, 38724, 39030, 45535, 48405, 54642, 64540, 78060, 91070, 96810, 109284, 136605, 182140, 193620, 273210, 546420, 599761, 1199522, 1799283, 2399044, 2998805, 3598566, 4198327, 5997610, 7197132, 8396654, 8996415, 11995220, 12594981, 16793308, 17992830, 20991635, 25189962, 35985660, 41983270, 50379924, 62974905, 83966540, 125949810, 251899620]

約数ペア:

[(1, 251899620), (2, 125949810), (3, 83966540), (4, 62974905), (5, 50379924), (6, 41983270), (7, 35985660), (10, 25189962), (12, 20991635), (14, 17992830), (15, 16793308), (20, 12594981), (21, 11995220), (28, 8996415), (30, 8396654), (35, 7197132), (42, 5997610), (60, 4198327), (70, 3598566), (84, 2998805), (105, 2399044), (140, 1799283), (210, 1199522), (420, 599761), (461, 546420), (922, 273210), (1301, 193620), (1383, 182140), (1844, 136605), (2305, 109284), (2602, 96810), (2766, 91070), (3227, 78060), (3903, 64540), (4610, 54642), (5204, 48405), (5532, 45535), (6454, 39030), (6505, 38724), (6915, 36428), (7806, 32270), (9107, 27660), (9220, 27321), (9681, 26020), (12908, 19515), (13010, 19362), (13830, 18214), (15612, 16135)]