8640170

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 19872000

約数和(自身を除く): 11231830

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 229, 245, 343, 385, 458, 490, 539, 686, 770, 1078, 1145, 1603, 1715, 2290, 2519, 2695, 3206, 3430, 3773, 5038, 5390, 7546, 8015, 11221, 12595, 16030, 17633, 18865, 22442, 25190, 35266, 37730, 56105, 78547, 88165, 112210, 123431, 157094, 176330, 246862, 392735, 617155, 785470, 864017, 1234310, 1728034, 4320085, 8640170]

約数ペア:

[(1, 8640170), (2, 4320085), (5, 1728034), (7, 1234310), (10, 864017), (11, 785470), (14, 617155), (22, 392735), (35, 246862), (49, 176330), (55, 157094), (70, 123431), (77, 112210), (98, 88165), (110, 78547), (154, 56105), (229, 37730), (245, 35266), (343, 25190), (385, 22442), (458, 18865), (490, 17633), (539, 16030), (686, 12595), (770, 11221), (1078, 8015), (1145, 7546), (1603, 5390), (1715, 5038), (2290, 3773), (2519, 3430), (2695, 3206)]