491820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1171}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 1575168

約数和(自身を除く): 1083348

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, 1171, 2342, 3513, 4684, 5855, 7026, 8197, 11710, 14052, 16394, 17565, 23420, 24591, 32788, 35130, 40985, 49182, 70260, 81970, 98364, 122955, 163940, 245910, 491820]

約数ペア:

[(1, 491820), (2, 245910), (3, 163940), (4, 122955), (5, 98364), (6, 81970), (7, 70260), (10, 49182), (12, 40985), (14, 35130), (15, 32788), (20, 24591), (21, 23420), (28, 17565), (30, 16394), (35, 14052), (42, 11710), (60, 8197), (70, 7026), (84, 5855), (105, 4684), (140, 3513), (210, 2342), (420, 1171)]