2585754640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{148949}}^1$

素因数の和:149000

約数の個数: 80

約数和(自身を含む): 7092403200

約数和(自身を除く): 4506648560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 148949, 297898, 595796, 744745, 1042643, 1191592, 1489490, 2085286, 2383184, 2978980, 4170572, 4617419, 5213215, 5957960, 8341144, 9234838, 10426430, 11915920, 16682288, 18469676, 20852860, 23087095, 32321933, 36939352, 41705720, 46174190, 64643866, 73878704, 83411440, 92348380, 129287732, 161609665, 184696760, 258575464, 323219330, 369393520, 517150928, 646438660, 1292877320, 2585754640]

約数ペア:

[(1, 2585754640), (2, 1292877320), (4, 646438660), (5, 517150928), (7, 369393520), (8, 323219330), (10, 258575464), (14, 184696760), (16, 161609665), (20, 129287732), (28, 92348380), (31, 83411440), (35, 73878704), (40, 64643866), (56, 46174190), (62, 41705720), (70, 36939352), (80, 32321933), (112, 23087095), (124, 20852860), (140, 18469676), (155, 16682288), (217, 11915920), (248, 10426430), (280, 9234838), (310, 8341144), (434, 5957960), (496, 5213215), (560, 4617419), (620, 4170572), (868, 2978980), (1085, 2383184), (1240, 2085286), (1736, 1489490), (2170, 1191592), (2480, 1042643), (3472, 744745), (4340, 595796), (8680, 297898), (17360, 148949)]