31797500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 120

約数和(自身を含む): 83973120

約数和(自身を除く): 52175620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 79, 92, 100, 115, 125, 140, 158, 161, 175, 230, 250, 316, 322, 350, 395, 460, 500, 553, 575, 625, 644, 700, 790, 805, 875, 1106, 1150, 1250, 1580, 1610, 1750, 1817, 1975, 2212, 2300, 2500, 2765, 2875, 3220, 3500, 3634, 3950, 4025, 4375, 5530, 5750, 7268, 7900, 8050, 8750, 9085, 9875, 11060, 11500, 12719, 13825, 14375, 16100, 17500, 18170, 19750, 20125, 25438, 27650, 28750, 36340, 39500, 40250, 45425, 49375, 50876, 55300, 57500, 63595, 69125, 80500, 90850, 98750, 100625, 127190, 138250, 181700, 197500, 201250, 227125, 254380, 276500, 317975, 345625, 402500, 454250, 635950, 691250, 908500, 1135625, 1271900, 1382500, 1589875, 2271250, 3179750, 4542500, 6359500, 7949375, 15898750, 31797500]

約数ペア:

[(1, 31797500), (2, 15898750), (4, 7949375), (5, 6359500), (7, 4542500), (10, 3179750), (14, 2271250), (20, 1589875), (23, 1382500), (25, 1271900), (28, 1135625), (35, 908500), (46, 691250), (50, 635950), (70, 454250), (79, 402500), (92, 345625), (100, 317975), (115, 276500), (125, 254380), (140, 227125), (158, 201250), (161, 197500), (175, 181700), (230, 138250), (250, 127190), (316, 100625), (322, 98750), (350, 90850), (395, 80500), (460, 69125), (500, 63595), (553, 57500), (575, 55300), (625, 50876), (644, 49375), (700, 45425), (790, 40250), (805, 39500), (875, 36340), (1106, 28750), (1150, 27650), (1250, 25438), (1580, 20125), (1610, 19750), (1750, 18170), (1817, 17500), (1975, 16100), (2212, 14375), (2300, 13825), (2500, 12719), (2765, 11500), (2875, 11060), (3220, 9875), (3500, 9085), (3634, 8750), (3950, 8050), (4025, 7900), (4375, 7268), (5530, 5750)]