31193750

素因数分解:

$2^1\times 5^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 96

約数和(自身を含む): 71995392

約数和(自身を除く): 40801642

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 31, 35, 46, 50, 62, 70, 115, 125, 155, 161, 175, 217, 230, 250, 310, 322, 350, 434, 575, 625, 713, 775, 805, 875, 1085, 1150, 1250, 1426, 1550, 1610, 1750, 2170, 2875, 3125, 3565, 3875, 4025, 4375, 4991, 5425, 5750, 6250, 7130, 7750, 8050, 8750, 9982, 10850, 14375, 17825, 19375, 20125, 21875, 24955, 27125, 28750, 35650, 38750, 40250, 43750, 49910, 54250, 71875, 89125, 96875, 100625, 124775, 135625, 143750, 178250, 193750, 201250, 249550, 271250, 445625, 503125, 623875, 678125, 891250, 1006250, 1247750, 1356250, 2228125, 3119375, 4456250, 6238750, 15596875, 31193750]

約数ペア:

[(1, 31193750), (2, 15596875), (5, 6238750), (7, 4456250), (10, 3119375), (14, 2228125), (23, 1356250), (25, 1247750), (31, 1006250), (35, 891250), (46, 678125), (50, 623875), (62, 503125), (70, 445625), (115, 271250), (125, 249550), (155, 201250), (161, 193750), (175, 178250), (217, 143750), (230, 135625), (250, 124775), (310, 100625), (322, 96875), (350, 89125), (434, 71875), (575, 54250), (625, 49910), (713, 43750), (775, 40250), (805, 38750), (875, 35650), (1085, 28750), (1150, 27125), (1250, 24955), (1426, 21875), (1550, 20125), (1610, 19375), (1750, 17825), (2170, 14375), (2875, 10850), (3125, 9982), (3565, 8750), (3875, 8050), (4025, 7750), (4375, 7130), (4991, 6250), (5425, 5750)]