210002800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:623

約数の個数: 120

約数和(自身を含む): 581212800

約数和(自身を除く): 371210000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 179, 200, 280, 350, 358, 400, 419, 560, 700, 716, 838, 895, 1253, 1400, 1432, 1676, 1790, 2095, 2506, 2800, 2864, 2933, 3352, 3580, 4190, 4475, 5012, 5866, 6265, 6704, 7160, 8380, 8950, 10024, 10475, 11732, 12530, 14320, 14665, 16760, 17900, 20048, 20950, 23464, 25060, 29330, 31325, 33520, 35800, 41900, 46928, 50120, 58660, 62650, 71600, 73325, 75001, 83800, 100240, 117320, 125300, 146650, 150002, 167600, 234640, 250600, 293300, 300004, 375005, 501200, 525007, 586600, 600008, 750010, 1050014, 1173200, 1200016, 1500020, 1875025, 2100028, 2625035, 3000040, 3750050, 4200056, 5250070, 6000080, 7500100, 8400112, 10500140, 13125175, 15000200, 21000280, 26250350, 30000400, 42000560, 52500700, 105001400, 210002800]

約数ペア:

[(1, 210002800), (2, 105001400), (4, 52500700), (5, 42000560), (7, 30000400), (8, 26250350), (10, 21000280), (14, 15000200), (16, 13125175), (20, 10500140), (25, 8400112), (28, 7500100), (35, 6000080), (40, 5250070), (50, 4200056), (56, 3750050), (70, 3000040), (80, 2625035), (100, 2100028), (112, 1875025), (140, 1500020), (175, 1200016), (179, 1173200), (200, 1050014), (280, 750010), (350, 600008), (358, 586600), (400, 525007), (419, 501200), (560, 375005), (700, 300004), (716, 293300), (838, 250600), (895, 234640), (1253, 167600), (1400, 150002), (1432, 146650), (1676, 125300), (1790, 117320), (2095, 100240), (2506, 83800), (2800, 75001), (2864, 73325), (2933, 71600), (3352, 62650), (3580, 58660), (4190, 50120), (4475, 46928), (5012, 41900), (5866, 35800), (6265, 33520), (6704, 31325), (7160, 29330), (8380, 25060), (8950, 23464), (10024, 20950), (10475, 20048), (11732, 17900), (12530, 16760), (14320, 14665)]