25412870

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 29883130

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 239, 245, 310, 343, 434, 478, 490, 686, 1085, 1195, 1519, 1673, 1715, 2170, 2390, 3038, 3346, 3430, 7409, 7595, 8365, 10633, 11711, 14818, 15190, 16730, 21266, 23422, 37045, 51863, 53165, 58555, 74090, 81977, 103726, 106330, 117110, 163954, 259315, 363041, 409885, 518630, 726082, 819770, 1815205, 2541287, 3630410, 5082574, 12706435, 25412870]

約数ペア:

[(1, 25412870), (2, 12706435), (5, 5082574), (7, 3630410), (10, 2541287), (14, 1815205), (31, 819770), (35, 726082), (49, 518630), (62, 409885), (70, 363041), (98, 259315), (155, 163954), (217, 117110), (239, 106330), (245, 103726), (310, 81977), (343, 74090), (434, 58555), (478, 53165), (490, 51863), (686, 37045), (1085, 23422), (1195, 21266), (1519, 16730), (1673, 15190), (1715, 14818), (2170, 11711), (2390, 10633), (3038, 8365), (3346, 7595), (3430, 7409)]