199909920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{59497}}^1$

素因数の和:59522

約数の個数: 96

約数和(自身を含む): 719687808

約数和(自身を除く): 519777888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 59497, 118994, 178491, 237988, 297485, 356982, 416479, 475976, 594970, 713964, 832958, 892455, 951952, 1189940, 1249437, 1427928, 1665916, 1784910, 1903904, 2082395, 2379880, 2498874, 2855856, 3331832, 3569820, 4164790, 4759760, 4997748, 5711712, 6247185, 6663664, 7139640, 8329580, 9519520, 9995496, 12494370, 13327328, 14279280, 16659160, 19990992, 24988740, 28558560, 33318320, 39981984, 49977480, 66636640, 99954960, 199909920]

約数ペア:

[(1, 199909920), (2, 99954960), (3, 66636640), (4, 49977480), (5, 39981984), (6, 33318320), (7, 28558560), (8, 24988740), (10, 19990992), (12, 16659160), (14, 14279280), (15, 13327328), (16, 12494370), (20, 9995496), (21, 9519520), (24, 8329580), (28, 7139640), (30, 6663664), (32, 6247185), (35, 5711712), (40, 4997748), (42, 4759760), (48, 4164790), (56, 3569820), (60, 3331832), (70, 2855856), (80, 2498874), (84, 2379880), (96, 2082395), (105, 1903904), (112, 1784910), (120, 1665916), (140, 1427928), (160, 1249437), (168, 1189940), (210, 951952), (224, 892455), (240, 832958), (280, 713964), (336, 594970), (420, 475976), (480, 416479), (560, 356982), (672, 297485), (840, 237988), (1120, 178491), (1680, 118994), (3360, 59497)]