251004880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 694241280

約数和(自身を除く): 443236400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 71, 80, 107, 112, 118, 140, 142, 214, 236, 280, 284, 295, 355, 413, 428, 472, 497, 535, 560, 568, 590, 710, 749, 826, 856, 944, 994, 1070, 1136, 1180, 1420, 1498, 1652, 1712, 1988, 2065, 2140, 2360, 2485, 2840, 2996, 3304, 3745, 3976, 4130, 4189, 4280, 4720, 4970, 5680, 5992, 6313, 6608, 7490, 7597, 7952, 8260, 8378, 8560, 9940, 11984, 12626, 14980, 15194, 16520, 16756, 19880, 20945, 25252, 29323, 29960, 30388, 31565, 33040, 33512, 37985, 39760, 41890, 44191, 50504, 53179, 58646, 59920, 60776, 63130, 67024, 75970, 83780, 88382, 101008, 106358, 117292, 121552, 126260, 146615, 151940, 167560, 176764, 212716, 220955, 234584, 252520, 265895, 293230, 303880, 335120, 353528, 425432, 441910, 448223, 469168, 505040, 531790, 586460, 607760, 707056, 850864, 883820, 896446, 1063580, 1172920, 1767640, 1792892, 2127160, 2241115, 2345840, 3137561, 3535280, 3585784, 4254320, 4482230, 6275122, 7171568, 8964460, 12550244, 15687805, 17928920, 25100488, 31375610, 35857840, 50200976, 62751220, 125502440, 251004880]

約数ペア:

[(1, 251004880), (2, 125502440), (4, 62751220), (5, 50200976), (7, 35857840), (8, 31375610), (10, 25100488), (14, 17928920), (16, 15687805), (20, 12550244), (28, 8964460), (35, 7171568), (40, 6275122), (56, 4482230), (59, 4254320), (70, 3585784), (71, 3535280), (80, 3137561), (107, 2345840), (112, 2241115), (118, 2127160), (140, 1792892), (142, 1767640), (214, 1172920), (236, 1063580), (280, 896446), (284, 883820), (295, 850864), (355, 707056), (413, 607760), (428, 586460), (472, 531790), (497, 505040), (535, 469168), (560, 448223), (568, 441910), (590, 425432), (710, 353528), (749, 335120), (826, 303880), (856, 293230), (944, 265895), (994, 252520), (1070, 234584), (1136, 220955), (1180, 212716), (1420, 176764), (1498, 167560), (1652, 151940), (1712, 146615), (1988, 126260), (2065, 121552), (2140, 117292), (2360, 106358), (2485, 101008), (2840, 88382), (2996, 83780), (3304, 75970), (3745, 67024), (3976, 63130), (4130, 60776), (4189, 59920), (4280, 58646), (4720, 53179), (4970, 50504), (5680, 44191), (5992, 41890), (6313, 39760), (6608, 37985), (7490, 33512), (7597, 33040), (7952, 31565), (8260, 30388), (8378, 29960), (8560, 29323), (9940, 25252), (11984, 20945), (12626, 19880), (14980, 16756), (15194, 16520)]