12857250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 38338560

約数和(自身を除く): 25481310

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 50, 62, 70, 75, 79, 93, 105, 125, 150, 155, 158, 175, 186, 210, 217, 237, 250, 310, 350, 375, 395, 434, 465, 474, 525, 553, 651, 750, 775, 790, 875, 930, 1050, 1085, 1106, 1185, 1302, 1550, 1659, 1750, 1975, 2170, 2325, 2370, 2449, 2625, 2765, 3255, 3318, 3875, 3950, 4650, 4898, 5250, 5425, 5530, 5925, 6510, 7347, 7750, 8295, 9875, 10850, 11625, 11850, 12245, 13825, 14694, 16275, 16590, 17143, 19750, 23250, 24490, 27125, 27650, 29625, 32550, 34286, 36735, 41475, 51429, 54250, 59250, 61225, 69125, 73470, 81375, 82950, 85715, 102858, 122450, 138250, 162750, 171430, 183675, 207375, 257145, 306125, 367350, 414750, 428575, 514290, 612250, 857150, 918375, 1285725, 1836750, 2142875, 2571450, 4285750, 6428625, 12857250]

約数ペア:

[(1, 12857250), (2, 6428625), (3, 4285750), (5, 2571450), (6, 2142875), (7, 1836750), (10, 1285725), (14, 918375), (15, 857150), (21, 612250), (25, 514290), (30, 428575), (31, 414750), (35, 367350), (42, 306125), (50, 257145), (62, 207375), (70, 183675), (75, 171430), (79, 162750), (93, 138250), (105, 122450), (125, 102858), (150, 85715), (155, 82950), (158, 81375), (175, 73470), (186, 69125), (210, 61225), (217, 59250), (237, 54250), (250, 51429), (310, 41475), (350, 36735), (375, 34286), (395, 32550), (434, 29625), (465, 27650), (474, 27125), (525, 24490), (553, 23250), (651, 19750), (750, 17143), (775, 16590), (790, 16275), (875, 14694), (930, 13825), (1050, 12245), (1085, 11850), (1106, 11625), (1185, 10850), (1302, 9875), (1550, 8295), (1659, 7750), (1750, 7347), (1975, 6510), (2170, 5925), (2325, 5530), (2370, 5425), (2449, 5250), (2625, 4898), (2765, 4650), (3255, 3950), (3318, 3875)]