31479200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 108

約数和(自身を含む): 81850230

約数和(自身を除く): 50371030

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 109, 152, 160, 190, 200, 218, 304, 361, 380, 400, 436, 475, 545, 608, 722, 760, 800, 872, 950, 1090, 1444, 1520, 1744, 1805, 1900, 2071, 2180, 2725, 2888, 3040, 3488, 3610, 3800, 4142, 4360, 5450, 5776, 7220, 7600, 8284, 8720, 9025, 10355, 10900, 11552, 14440, 15200, 16568, 17440, 18050, 20710, 21800, 28880, 33136, 36100, 39349, 41420, 43600, 51775, 57760, 66272, 72200, 78698, 82840, 87200, 103550, 144400, 157396, 165680, 196745, 207100, 288800, 314792, 331360, 393490, 414200, 629584, 786980, 828400, 983725, 1259168, 1573960, 1656800, 1967450, 3147920, 3934900, 6295840, 7869800, 15739600, 31479200]

約数ペア:

[(1, 31479200), (2, 15739600), (4, 7869800), (5, 6295840), (8, 3934900), (10, 3147920), (16, 1967450), (19, 1656800), (20, 1573960), (25, 1259168), (32, 983725), (38, 828400), (40, 786980), (50, 629584), (76, 414200), (80, 393490), (95, 331360), (100, 314792), (109, 288800), (152, 207100), (160, 196745), (190, 165680), (200, 157396), (218, 144400), (304, 103550), (361, 87200), (380, 82840), (400, 78698), (436, 72200), (475, 66272), (545, 57760), (608, 51775), (722, 43600), (760, 41420), (800, 39349), (872, 36100), (950, 33136), (1090, 28880), (1444, 21800), (1520, 20710), (1744, 18050), (1805, 17440), (1900, 16568), (2071, 15200), (2180, 14440), (2725, 11552), (2888, 10900), (3040, 10355), (3488, 9025), (3610, 8720), (3800, 8284), (4142, 7600), (4360, 7220), (5450, 5776)]