2495500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 96

約数和(自身を含む): 6709248

約数和(自身を除く): 4213748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 31, 35, 46, 50, 62, 70, 92, 100, 115, 124, 125, 140, 155, 161, 175, 217, 230, 250, 310, 322, 350, 434, 460, 500, 575, 620, 644, 700, 713, 775, 805, 868, 875, 1085, 1150, 1426, 1550, 1610, 1750, 2170, 2300, 2852, 2875, 3100, 3220, 3500, 3565, 3875, 4025, 4340, 4991, 5425, 5750, 7130, 7750, 8050, 9982, 10850, 11500, 14260, 15500, 16100, 17825, 19964, 20125, 21700, 24955, 27125, 35650, 40250, 49910, 54250, 71300, 80500, 89125, 99820, 108500, 124775, 178250, 249550, 356500, 499100, 623875, 1247750, 2495500]

約数ペア:

[(1, 2495500), (2, 1247750), (4, 623875), (5, 499100), (7, 356500), (10, 249550), (14, 178250), (20, 124775), (23, 108500), (25, 99820), (28, 89125), (31, 80500), (35, 71300), (46, 54250), (50, 49910), (62, 40250), (70, 35650), (92, 27125), (100, 24955), (115, 21700), (124, 20125), (125, 19964), (140, 17825), (155, 16100), (161, 15500), (175, 14260), (217, 11500), (230, 10850), (250, 9982), (310, 8050), (322, 7750), (350, 7130), (434, 5750), (460, 5425), (500, 4991), (575, 4340), (620, 4025), (644, 3875), (700, 3565), (713, 3500), (775, 3220), (805, 3100), (868, 2875), (875, 2852), (1085, 2300), (1150, 2170), (1426, 1750), (1550, 1610)]