1847790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{419}}^1$

素因数の和:446

約数の個数: 72

約数和(自身を含む): 5601960

約数和(自身を除く): 3754170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 419, 441, 490, 630, 735, 838, 882, 1257, 1470, 2095, 2205, 2514, 2933, 3771, 4190, 4410, 5866, 6285, 7542, 8799, 12570, 14665, 17598, 18855, 20531, 26397, 29330, 37710, 41062, 43995, 52794, 61593, 87990, 102655, 123186, 131985, 184779, 205310, 263970, 307965, 369558, 615930, 923895, 1847790]

約数ペア:

[(1, 1847790), (2, 923895), (3, 615930), (5, 369558), (6, 307965), (7, 263970), (9, 205310), (10, 184779), (14, 131985), (15, 123186), (18, 102655), (21, 87990), (30, 61593), (35, 52794), (42, 43995), (45, 41062), (49, 37710), (63, 29330), (70, 26397), (90, 20531), (98, 18855), (105, 17598), (126, 14665), (147, 12570), (210, 8799), (245, 7542), (294, 6285), (315, 5866), (419, 4410), (441, 4190), (490, 3771), (630, 2933), (735, 2514), (838, 2205), (882, 2095), (1257, 1470)]