189950460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{64609}}^1$

素因数の和:64635

約数の個数: 72

約数和(自身を含む): 618705360

約数和(自身を除く): 428754900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 64609, 129218, 193827, 258436, 323045, 387654, 452263, 646090, 775308, 904526, 969135, 1292180, 1356789, 1809052, 1938270, 2261315, 2713578, 3165841, 3876540, 4522630, 5427156, 6331682, 6783945, 9045260, 9497523, 12663364, 13567890, 15829205, 18995046, 27135780, 31658410, 37990092, 47487615, 63316820, 94975230, 189950460]

約数ペア:

[(1, 189950460), (2, 94975230), (3, 63316820), (4, 47487615), (5, 37990092), (6, 31658410), (7, 27135780), (10, 18995046), (12, 15829205), (14, 13567890), (15, 12663364), (20, 9497523), (21, 9045260), (28, 6783945), (30, 6331682), (35, 5427156), (42, 4522630), (49, 3876540), (60, 3165841), (70, 2713578), (84, 2261315), (98, 1938270), (105, 1809052), (140, 1356789), (147, 1292180), (196, 969135), (210, 904526), (245, 775308), (294, 646090), (420, 452263), (490, 387654), (588, 323045), (735, 258436), (980, 193827), (1470, 129218), (2940, 64609)]