2006209480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{74747}}^1$

素因数の和:74830

約数の個数: 64

約数和(自身を含む): 5005126080

約数和(自身を除く): 2998916600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 13420, 26840, 74747, 149494, 298988, 373735, 597976, 747470, 822217, 1494940, 1644434, 2989880, 3288868, 4111085, 4559567, 6577736, 8222170, 9119134, 16444340, 18238268, 22797835, 32888680, 36476536, 45595670, 50155237, 91191340, 100310474, 182382680, 200620948, 250776185, 401241896, 501552370, 1003104740, 2006209480]

約数ペア:

[(1, 2006209480), (2, 1003104740), (4, 501552370), (5, 401241896), (8, 250776185), (10, 200620948), (11, 182382680), (20, 100310474), (22, 91191340), (40, 50155237), (44, 45595670), (55, 36476536), (61, 32888680), (88, 22797835), (110, 18238268), (122, 16444340), (220, 9119134), (244, 8222170), (305, 6577736), (440, 4559567), (488, 4111085), (610, 3288868), (671, 2989880), (1220, 1644434), (1342, 1494940), (2440, 822217), (2684, 747470), (3355, 597976), (5368, 373735), (6710, 298988), (13420, 149494), (26840, 74747)]