2653420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1723}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 6951168

約数和(自身を除く): 4297748

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, 1540, 1723, 3446, 6892, 8615, 12061, 17230, 18953, 24122, 34460, 37906, 48244, 60305, 75812, 94765, 120610, 132671, 189530, 241220, 265342, 379060, 530684, 663355, 1326710, 2653420]

約数ペア:

[(1, 2653420), (2, 1326710), (4, 663355), (5, 530684), (7, 379060), (10, 265342), (11, 241220), (14, 189530), (20, 132671), (22, 120610), (28, 94765), (35, 75812), (44, 60305), (55, 48244), (70, 37906), (77, 34460), (110, 24122), (140, 18953), (154, 17230), (220, 12061), (308, 8615), (385, 6892), (770, 3446), (1540, 1723)]