1490391040

素因数分解:

$2^{12}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1283

約数の個数: 104

約数和(自身を含む): 3638180088

約数和(自身を除く): 2147789048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 976, 1024, 1193, 1220, 1280, 1952, 2048, 2386, 2440, 2560, 3904, 4096, 4772, 4880, 5120, 5965, 7808, 9544, 9760, 10240, 11930, 15616, 19088, 19520, 20480, 23860, 31232, 38176, 39040, 47720, 62464, 72773, 76352, 78080, 95440, 124928, 145546, 152704, 156160, 190880, 249856, 291092, 305408, 312320, 363865, 381760, 582184, 610816, 624640, 727730, 763520, 1164368, 1221632, 1249280, 1455460, 1527040, 2328736, 2443264, 2910920, 3054080, 4657472, 4886528, 5821840, 6108160, 9314944, 11643680, 12216320, 18629888, 23287360, 24432640, 37259776, 46574720, 74519552, 93149440, 149039104, 186298880, 298078208, 372597760, 745195520, 1490391040]

約数ペア:

[(1, 1490391040), (2, 745195520), (4, 372597760), (5, 298078208), (8, 186298880), (10, 149039104), (16, 93149440), (20, 74519552), (32, 46574720), (40, 37259776), (61, 24432640), (64, 23287360), (80, 18629888), (122, 12216320), (128, 11643680), (160, 9314944), (244, 6108160), (256, 5821840), (305, 4886528), (320, 4657472), (488, 3054080), (512, 2910920), (610, 2443264), (640, 2328736), (976, 1527040), (1024, 1455460), (1193, 1249280), (1220, 1221632), (1280, 1164368), (1952, 763520), (2048, 727730), (2386, 624640), (2440, 610816), (2560, 582184), (3904, 381760), (4096, 363865), (4772, 312320), (4880, 305408), (5120, 291092), (5965, 249856), (7808, 190880), (9544, 156160), (9760, 152704), (10240, 145546), (11930, 124928), (15616, 95440), (19088, 78080), (19520, 76352), (20480, 72773), (23860, 62464), (31232, 47720), (38176, 39040)]