83739880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 226540800

約数和(自身を除く): 142800920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 59, 70, 74, 118, 137, 140, 148, 185, 236, 259, 274, 280, 295, 296, 370, 413, 472, 518, 548, 590, 685, 740, 826, 959, 1036, 1096, 1180, 1295, 1370, 1480, 1652, 1918, 2065, 2072, 2183, 2360, 2590, 2740, 3304, 3836, 4130, 4366, 4795, 5069, 5180, 5480, 7672, 8083, 8260, 8732, 9590, 10138, 10360, 10915, 15281, 16166, 16520, 17464, 19180, 20276, 21830, 25345, 30562, 32332, 35483, 38360, 40415, 40552, 43660, 50690, 56581, 61124, 64664, 70966, 76405, 80830, 87320, 101380, 113162, 122248, 141932, 152810, 161660, 177415, 202760, 226324, 282905, 283864, 299071, 305620, 323320, 354830, 452648, 565810, 598142, 611240, 709660, 1131620, 1196284, 1419320, 1495355, 2093497, 2263240, 2392568, 2990710, 4186994, 5981420, 8373988, 10467485, 11962840, 16747976, 20934970, 41869940, 83739880]

約数ペア:

[(1, 83739880), (2, 41869940), (4, 20934970), (5, 16747976), (7, 11962840), (8, 10467485), (10, 8373988), (14, 5981420), (20, 4186994), (28, 2990710), (35, 2392568), (37, 2263240), (40, 2093497), (56, 1495355), (59, 1419320), (70, 1196284), (74, 1131620), (118, 709660), (137, 611240), (140, 598142), (148, 565810), (185, 452648), (236, 354830), (259, 323320), (274, 305620), (280, 299071), (295, 283864), (296, 282905), (370, 226324), (413, 202760), (472, 177415), (518, 161660), (548, 152810), (590, 141932), (685, 122248), (740, 113162), (826, 101380), (959, 87320), (1036, 80830), (1096, 76405), (1180, 70966), (1295, 64664), (1370, 61124), (1480, 56581), (1652, 50690), (1918, 43660), (2065, 40552), (2072, 40415), (2183, 38360), (2360, 35483), (2590, 32332), (2740, 30562), (3304, 25345), (3836, 21830), (4130, 20276), (4366, 19180), (4795, 17464), (5069, 16520), (5180, 16166), (5480, 15281), (7672, 10915), (8083, 10360), (8260, 10138), (8732, 9590)]