47221840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 118206720

約数和(自身を除く): 70984880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 661, 752, 760, 893, 940, 1322, 1520, 1786, 1880, 2644, 3305, 3572, 3760, 4465, 5288, 6610, 7144, 8930, 10576, 12559, 13220, 14288, 17860, 25118, 26440, 31067, 35720, 50236, 52880, 62134, 62795, 71440, 100472, 124268, 125590, 155335, 200944, 248536, 251180, 310670, 497072, 502360, 590273, 621340, 1004720, 1180546, 1242680, 2361092, 2485360, 2951365, 4722184, 5902730, 9444368, 11805460, 23610920, 47221840]

約数ペア:

[(1, 47221840), (2, 23610920), (4, 11805460), (5, 9444368), (8, 5902730), (10, 4722184), (16, 2951365), (19, 2485360), (20, 2361092), (38, 1242680), (40, 1180546), (47, 1004720), (76, 621340), (80, 590273), (94, 502360), (95, 497072), (152, 310670), (188, 251180), (190, 248536), (235, 200944), (304, 155335), (376, 125590), (380, 124268), (470, 100472), (661, 71440), (752, 62795), (760, 62134), (893, 52880), (940, 50236), (1322, 35720), (1520, 31067), (1786, 26440), (1880, 25118), (2644, 17860), (3305, 14288), (3572, 13220), (3760, 12559), (4465, 10576), (5288, 8930), (6610, 7144)]