1856554520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{16189}}^1$

素因数の和:16308

約数の個数: 64

約数和(自身を含む): 4336329600

約数和(自身を除く): 2479775080

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, 16189, 22936, 28670, 32378, 57340, 64756, 80945, 114680, 129512, 161890, 323780, 647560, 760883, 987529, 1521766, 1975058, 3043532, 3804415, 3950116, 4937645, 6087064, 7608830, 7900232, 9875290, 15217660, 19750580, 30435320, 39501160, 46413863, 92827726, 185655452, 232069315, 371310904, 464138630, 928277260, 1856554520]

約数ペア:

[(1, 1856554520), (2, 928277260), (4, 464138630), (5, 371310904), (8, 232069315), (10, 185655452), (20, 92827726), (40, 46413863), (47, 39501160), (61, 30435320), (94, 19750580), (122, 15217660), (188, 9875290), (235, 7900232), (244, 7608830), (305, 6087064), (376, 4937645), (470, 3950116), (488, 3804415), (610, 3043532), (940, 1975058), (1220, 1521766), (1880, 987529), (2440, 760883), (2867, 647560), (5734, 323780), (11468, 161890), (14335, 129512), (16189, 114680), (22936, 80945), (28670, 64756), (32378, 57340)]