28565526520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{249089}}^1$

素因数の和:249208

約数の個数: 64

約数和(自身を含む): 66716265600

約数和(自身を除く): 38150739080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 376, 470, 488, 610, 940, 1220, 1880, 2440, 2867, 5734, 11468, 14335, 22936, 28670, 57340, 114680, 249089, 498178, 996356, 1245445, 1992712, 2490890, 4981780, 9963560, 11707183, 15194429, 23414366, 30388858, 46828732, 58535915, 60777716, 75972145, 93657464, 117071830, 121555432, 151944290, 234143660, 303888580, 468287320, 607777160, 714138163, 1428276326, 2856552652, 3570690815, 5713105304, 7141381630, 14282763260, 28565526520]

約数ペア:

[(1, 28565526520), (2, 14282763260), (4, 7141381630), (5, 5713105304), (8, 3570690815), (10, 2856552652), (20, 1428276326), (40, 714138163), (47, 607777160), (61, 468287320), (94, 303888580), (122, 234143660), (188, 151944290), (235, 121555432), (244, 117071830), (305, 93657464), (376, 75972145), (470, 60777716), (488, 58535915), (610, 46828732), (940, 30388858), (1220, 23414366), (1880, 15194429), (2440, 11707183), (2867, 9963560), (5734, 4981780), (11468, 2490890), (14335, 1992712), (22936, 1245445), (28670, 996356), (57340, 498178), (114680, 249089)]