1890801920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5147}}^1$

素因数の和:5216

約数の個数: 144

約数和(自身を含む): 5303346048

約数和(自身を除く): 3412544128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 160, 164, 205, 224, 256, 280, 287, 320, 328, 410, 448, 560, 574, 640, 656, 820, 896, 1120, 1148, 1280, 1312, 1435, 1640, 1792, 2240, 2296, 2624, 2870, 3280, 4480, 4592, 5147, 5248, 5740, 6560, 8960, 9184, 10294, 10496, 11480, 13120, 18368, 20588, 22960, 25735, 26240, 36029, 36736, 41176, 45920, 51470, 52480, 72058, 73472, 82352, 91840, 102940, 144116, 164704, 180145, 183680, 205880, 211027, 288232, 329408, 360290, 367360, 411760, 422054, 576464, 658816, 720580, 823520, 844108, 1055135, 1152928, 1317632, 1441160, 1477189, 1647040, 1688216, 2110270, 2305856, 2882320, 2954378, 3294080, 3376432, 4220540, 4611712, 5764640, 5908756, 6588160, 6752864, 7385945, 8441080, 9223424, 11529280, 11817512, 13505728, 14771890, 16882160, 23058560, 23635024, 27011456, 29543780, 33764320, 46117120, 47270048, 54022912, 59087560, 67528640, 94540096, 118175120, 135057280, 189080192, 236350240, 270114560, 378160384, 472700480, 945400960, 1890801920]

約数ペア:

[(1, 1890801920), (2, 945400960), (4, 472700480), (5, 378160384), (7, 270114560), (8, 236350240), (10, 189080192), (14, 135057280), (16, 118175120), (20, 94540096), (28, 67528640), (32, 59087560), (35, 54022912), (40, 47270048), (41, 46117120), (56, 33764320), (64, 29543780), (70, 27011456), (80, 23635024), (82, 23058560), (112, 16882160), (128, 14771890), (140, 13505728), (160, 11817512), (164, 11529280), (205, 9223424), (224, 8441080), (256, 7385945), (280, 6752864), (287, 6588160), (320, 5908756), (328, 5764640), (410, 4611712), (448, 4220540), (560, 3376432), (574, 3294080), (640, 2954378), (656, 2882320), (820, 2305856), (896, 2110270), (1120, 1688216), (1148, 1647040), (1280, 1477189), (1312, 1441160), (1435, 1317632), (1640, 1152928), (1792, 1055135), (2240, 844108), (2296, 823520), (2624, 720580), (2870, 658816), (3280, 576464), (4480, 422054), (4592, 411760), (5147, 367360), (5248, 360290), (5740, 329408), (6560, 288232), (8960, 211027), (9184, 205880), (10294, 183680), (10496, 180145), (11480, 164704), (13120, 144116), (18368, 102940), (20588, 91840), (22960, 82352), (25735, 73472), (26240, 72058), (36029, 52480), (36736, 51470), (41176, 45920)]