31161550

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 71424000

約数和(自身を除く): 40262450

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 49, 50, 70, 79, 98, 115, 158, 161, 175, 230, 245, 322, 343, 350, 395, 490, 553, 575, 686, 790, 805, 1106, 1127, 1150, 1225, 1610, 1715, 1817, 1975, 2254, 2450, 2765, 3430, 3634, 3871, 3950, 4025, 5530, 5635, 7742, 7889, 8050, 8575, 9085, 11270, 12719, 13825, 15778, 17150, 18170, 19355, 25438, 27097, 27650, 28175, 38710, 39445, 45425, 54194, 56350, 63595, 78890, 89033, 90850, 96775, 127190, 135485, 178066, 193550, 197225, 270970, 317975, 394450, 445165, 623231, 635950, 677425, 890330, 1246462, 1354850, 2225825, 3116155, 4451650, 6232310, 15580775, 31161550]

約数ペア:

[(1, 31161550), (2, 15580775), (5, 6232310), (7, 4451650), (10, 3116155), (14, 2225825), (23, 1354850), (25, 1246462), (35, 890330), (46, 677425), (49, 635950), (50, 623231), (70, 445165), (79, 394450), (98, 317975), (115, 270970), (158, 197225), (161, 193550), (175, 178066), (230, 135485), (245, 127190), (322, 96775), (343, 90850), (350, 89033), (395, 78890), (490, 63595), (553, 56350), (575, 54194), (686, 45425), (790, 39445), (805, 38710), (1106, 28175), (1127, 27650), (1150, 27097), (1225, 25438), (1610, 19355), (1715, 18170), (1817, 17150), (1975, 15778), (2254, 13825), (2450, 12719), (2765, 11270), (3430, 9085), (3634, 8575), (3871, 8050), (3950, 7889), (4025, 7742), (5530, 5635)]