4469279920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257447}}^1$

素因数の和:257498

約数の個数: 80

約数和(自身を含む): 12258643968

約数和(自身を除く): 7789364048

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, 257447, 514894, 1029788, 1287235, 1802129, 2059576, 2574470, 3604258, 4119152, 5148940, 7208516, 7980857, 9010645, 10297880, 14417032, 15961714, 18021290, 20595760, 28834064, 31923428, 36042580, 39904285, 55865999, 63846856, 72085160, 79808570, 111731998, 127693712, 144170320, 159617140, 223463996, 279329995, 319234280, 446927992, 558659990, 638468560, 893855984, 1117319980, 2234639960, 4469279920]

約数ペア:

[(1, 4469279920), (2, 2234639960), (4, 1117319980), (5, 893855984), (7, 638468560), (8, 558659990), (10, 446927992), (14, 319234280), (16, 279329995), (20, 223463996), (28, 159617140), (31, 144170320), (35, 127693712), (40, 111731998), (56, 79808570), (62, 72085160), (70, 63846856), (80, 55865999), (112, 39904285), (124, 36042580), (140, 31923428), (155, 28834064), (217, 20595760), (248, 18021290), (280, 15961714), (310, 14417032), (434, 10297880), (496, 9010645), (560, 7980857), (620, 7208516), (868, 5148940), (1085, 4119152), (1240, 3604258), (1736, 2574470), (2170, 2059576), (2480, 1802129), (3472, 1287235), (4340, 1029788), (8680, 514894), (17360, 257447)]