2019945384680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{1427}}^1\times {\mathrm{2251}}^1$

素因数の和:3967

約数の個数: 128

約数和(自身を含む): 4630832640000

約数和(自身を除く): 2610887255320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 199, 316, 395, 398, 632, 790, 796, 995, 1427, 1580, 1592, 1990, 2251, 2854, 3160, 3980, 4502, 5708, 7135, 7960, 9004, 11255, 11416, 14270, 15721, 18008, 22510, 28540, 31442, 45020, 57080, 62884, 78605, 90040, 112733, 125768, 157210, 177829, 225466, 283973, 314420, 355658, 447949, 450932, 563665, 567946, 628840, 711316, 889145, 895898, 901864, 1127330, 1135892, 1419865, 1422632, 1778290, 1791796, 2239745, 2254660, 2271784, 2839730, 3212177, 3556580, 3583592, 4479490, 4509320, 5679460, 6424354, 7113160, 8958980, 11358920, 12848708, 16060885, 17917960, 22433867, 25697416, 32121770, 35387971, 44867734, 64243540, 70775942, 89735468, 112169335, 128487080, 141551884, 176939855, 179470936, 224338670, 253761983, 283103768, 353879710, 448677340, 507523966, 639223223, 707759420, 897354680, 1015047932, 1268809915, 1278446446, 1415518840, 2030095864, 2537619830, 2556892892, 3196116115, 5075239660, 5113785784, 6392232230, 10150479320, 12784464460, 25568928920, 50498634617, 100997269234, 201994538468, 252493173085, 403989076936, 504986346170, 1009972692340, 2019945384680]

約数ペア:

[(1, 2019945384680), (2, 1009972692340), (4, 504986346170), (5, 403989076936), (8, 252493173085), (10, 201994538468), (20, 100997269234), (40, 50498634617), (79, 25568928920), (158, 12784464460), (199, 10150479320), (316, 6392232230), (395, 5113785784), (398, 5075239660), (632, 3196116115), (790, 2556892892), (796, 2537619830), (995, 2030095864), (1427, 1415518840), (1580, 1278446446), (1592, 1268809915), (1990, 1015047932), (2251, 897354680), (2854, 707759420), (3160, 639223223), (3980, 507523966), (4502, 448677340), (5708, 353879710), (7135, 283103768), (7960, 253761983), (9004, 224338670), (11255, 179470936), (11416, 176939855), (14270, 141551884), (15721, 128487080), (18008, 112169335), (22510, 89735468), (28540, 70775942), (31442, 64243540), (45020, 44867734), (57080, 35387971), (62884, 32121770), (78605, 25697416), (90040, 22433867), (112733, 17917960), (125768, 16060885), (157210, 12848708), (177829, 11358920), (225466, 8958980), (283973, 7113160), (314420, 6424354), (355658, 5679460), (447949, 4509320), (450932, 4479490), (563665, 3583592), (567946, 3556580), (628840, 3212177), (711316, 2839730), (889145, 2271784), (895898, 2254660), (901864, 2239745), (1127330, 1791796), (1135892, 1778290), (1419865, 1422632)]