18303950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:298

約数の個数: 72

約数和(自身を含む): 41050944

約数和(自身を除く): 22746994

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 62, 70, 98, 155, 175, 217, 241, 245, 310, 350, 434, 482, 490, 775, 1085, 1205, 1225, 1519, 1550, 1687, 2170, 2410, 2450, 3038, 3374, 5425, 6025, 7471, 7595, 8435, 10850, 11809, 12050, 14942, 15190, 16870, 23618, 37355, 37975, 42175, 52297, 59045, 74710, 75950, 84350, 104594, 118090, 186775, 261485, 295225, 366079, 373550, 522970, 590450, 732158, 1307425, 1830395, 2614850, 3660790, 9151975, 18303950]

約数ペア:

[(1, 18303950), (2, 9151975), (5, 3660790), (7, 2614850), (10, 1830395), (14, 1307425), (25, 732158), (31, 590450), (35, 522970), (49, 373550), (50, 366079), (62, 295225), (70, 261485), (98, 186775), (155, 118090), (175, 104594), (217, 84350), (241, 75950), (245, 74710), (310, 59045), (350, 52297), (434, 42175), (482, 37975), (490, 37355), (775, 23618), (1085, 16870), (1205, 15190), (1225, 14942), (1519, 12050), (1550, 11809), (1687, 10850), (2170, 8435), (2410, 7595), (2450, 7471), (3038, 6025), (3374, 5425)]