1923460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 5040000

約数和(自身を除く): 3116540

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, 1249, 1540, 2498, 4996, 6245, 8743, 12490, 13739, 17486, 24980, 27478, 34972, 43715, 54956, 68695, 87430, 96173, 137390, 174860, 192346, 274780, 384692, 480865, 961730, 1923460]

約数ペア:

[(1, 1923460), (2, 961730), (4, 480865), (5, 384692), (7, 274780), (10, 192346), (11, 174860), (14, 137390), (20, 96173), (22, 87430), (28, 68695), (35, 54956), (44, 43715), (55, 34972), (70, 27478), (77, 24980), (110, 17486), (140, 13739), (154, 12490), (220, 8743), (308, 6245), (385, 4996), (770, 2498), (1249, 1540)]