209861120

素因数分解:

$2^9\times 5^1\times 7^3\times {\mathrm{239}}^1$

素因数の和:283

約数の個数: 160

約数和(自身を含む): 589248000

約数和(自身を除く): 379386880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 239, 245, 256, 280, 320, 343, 392, 448, 478, 490, 512, 560, 640, 686, 784, 896, 956, 980, 1120, 1195, 1280, 1372, 1568, 1673, 1715, 1792, 1912, 1960, 2240, 2390, 2560, 2744, 3136, 3346, 3430, 3584, 3824, 3920, 4480, 4780, 5488, 6272, 6692, 6860, 7648, 7840, 8365, 8960, 9560, 10976, 11711, 12544, 13384, 13720, 15296, 15680, 16730, 17920, 19120, 21952, 23422, 25088, 26768, 27440, 30592, 31360, 33460, 38240, 43904, 46844, 53536, 54880, 58555, 61184, 62720, 66920, 76480, 81977, 87808, 93688, 107072, 109760, 117110, 122368, 125440, 133840, 152960, 163954, 175616, 187376, 214144, 219520, 234220, 267680, 305920, 327908, 374752, 409885, 428288, 439040, 468440, 535360, 611840, 655816, 749504, 819770, 856576, 878080, 936880, 1070720, 1311632, 1499008, 1639540, 1873760, 2141440, 2623264, 2998016, 3279080, 3747520, 4282880, 5246528, 5996032, 6558160, 7495040, 10493056, 13116320, 14990080, 20986112, 26232640, 29980160, 41972224, 52465280, 104930560, 209861120]

約数ペア:

[(1, 209861120), (2, 104930560), (4, 52465280), (5, 41972224), (7, 29980160), (8, 26232640), (10, 20986112), (14, 14990080), (16, 13116320), (20, 10493056), (28, 7495040), (32, 6558160), (35, 5996032), (40, 5246528), (49, 4282880), (56, 3747520), (64, 3279080), (70, 2998016), (80, 2623264), (98, 2141440), (112, 1873760), (128, 1639540), (140, 1499008), (160, 1311632), (196, 1070720), (224, 936880), (239, 878080), (245, 856576), (256, 819770), (280, 749504), (320, 655816), (343, 611840), (392, 535360), (448, 468440), (478, 439040), (490, 428288), (512, 409885), (560, 374752), (640, 327908), (686, 305920), (784, 267680), (896, 234220), (956, 219520), (980, 214144), (1120, 187376), (1195, 175616), (1280, 163954), (1372, 152960), (1568, 133840), (1673, 125440), (1715, 122368), (1792, 117110), (1912, 109760), (1960, 107072), (2240, 93688), (2390, 87808), (2560, 81977), (2744, 76480), (3136, 66920), (3346, 62720), (3430, 61184), (3584, 58555), (3824, 54880), (3920, 53536), (4480, 46844), (4780, 43904), (5488, 38240), (6272, 33460), (6692, 31360), (6860, 30592), (7648, 27440), (7840, 26768), (8365, 25088), (8960, 23422), (9560, 21952), (10976, 19120), (11711, 17920), (12544, 16730), (13384, 15680), (13720, 15296)]