1803340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1171}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 4725504

約数和(自身を除く): 2922164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1171, 1540, 2342, 4684, 5855, 8197, 11710, 12881, 16394, 23420, 25762, 32788, 40985, 51524, 64405, 81970, 90167, 128810, 163940, 180334, 257620, 360668, 450835, 901670, 1803340]

約数ペア:

[(1, 1803340), (2, 901670), (4, 450835), (5, 360668), (7, 257620), (10, 180334), (11, 163940), (14, 128810), (20, 90167), (22, 81970), (28, 64405), (35, 51524), (44, 40985), (55, 32788), (70, 25762), (77, 23420), (110, 16394), (140, 12881), (154, 11710), (220, 8197), (308, 5855), (385, 4684), (770, 2342), (1171, 1540)]