247840460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{6581}}^1$

素因数の和:6866

約数の個数: 48

約数和(自身を含む): 597119040

約数和(自身を除く): 349278580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1883, 2690, 3766, 5380, 6581, 7532, 9415, 13162, 18830, 26324, 32905, 37660, 46067, 65810, 92134, 131620, 184268, 230335, 460670, 921340, 1770289, 3540578, 7081156, 8851445, 12392023, 17702890, 24784046, 35405780, 49568092, 61960115, 123920230, 247840460]

約数ペア:

[(1, 247840460), (2, 123920230), (4, 61960115), (5, 49568092), (7, 35405780), (10, 24784046), (14, 17702890), (20, 12392023), (28, 8851445), (35, 7081156), (70, 3540578), (140, 1770289), (269, 921340), (538, 460670), (1076, 230335), (1345, 184268), (1883, 131620), (2690, 92134), (3766, 65810), (5380, 46067), (6581, 37660), (7532, 32905), (9415, 26324), (13162, 18830)]