31157700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 106076544

約数和(自身を除く): 74918844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 37, 42, 50, 60, 70, 74, 75, 84, 100, 105, 111, 140, 148, 150, 175, 185, 210, 222, 259, 300, 350, 370, 401, 420, 444, 518, 525, 555, 700, 740, 777, 802, 925, 1036, 1050, 1110, 1203, 1295, 1554, 1604, 1850, 2005, 2100, 2220, 2406, 2590, 2775, 2807, 3108, 3700, 3885, 4010, 4812, 5180, 5550, 5614, 6015, 6475, 7770, 8020, 8421, 10025, 11100, 11228, 12030, 12950, 14035, 14837, 15540, 16842, 19425, 20050, 24060, 25900, 28070, 29674, 30075, 33684, 38850, 40100, 42105, 44511, 56140, 59348, 60150, 70175, 74185, 77700, 84210, 89022, 103859, 120300, 140350, 148370, 168420, 178044, 207718, 210525, 222555, 280700, 296740, 311577, 370925, 415436, 421050, 445110, 519295, 623154, 741850, 842100, 890220, 1038590, 1112775, 1246308, 1483700, 1557885, 2077180, 2225550, 2596475, 3115770, 4451100, 5192950, 6231540, 7789425, 10385900, 15578850, 31157700]

約数ペア:

[(1, 31157700), (2, 15578850), (3, 10385900), (4, 7789425), (5, 6231540), (6, 5192950), (7, 4451100), (10, 3115770), (12, 2596475), (14, 2225550), (15, 2077180), (20, 1557885), (21, 1483700), (25, 1246308), (28, 1112775), (30, 1038590), (35, 890220), (37, 842100), (42, 741850), (50, 623154), (60, 519295), (70, 445110), (74, 421050), (75, 415436), (84, 370925), (100, 311577), (105, 296740), (111, 280700), (140, 222555), (148, 210525), (150, 207718), (175, 178044), (185, 168420), (210, 148370), (222, 140350), (259, 120300), (300, 103859), (350, 89022), (370, 84210), (401, 77700), (420, 74185), (444, 70175), (518, 60150), (525, 59348), (555, 56140), (700, 44511), (740, 42105), (777, 40100), (802, 38850), (925, 33684), (1036, 30075), (1050, 29674), (1110, 28070), (1203, 25900), (1295, 24060), (1554, 20050), (1604, 19425), (1850, 16842), (2005, 15540), (2100, 14837), (2220, 14035), (2406, 12950), (2590, 12030), (2775, 11228), (2807, 11100), (3108, 10025), (3700, 8421), (3885, 8020), (4010, 7770), (4812, 6475), (5180, 6015), (5550, 5614)]