198218240

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7039}}^1$

素因数の和:7073

約数の個数: 80

約数和(自身を含む): 518538240

約数和(自身を除く): 320320000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7039, 7040, 14078, 14080, 28156, 28160, 35195, 56312, 70390, 77429, 112624, 140780, 154858, 225248, 281560, 309716, 387145, 450496, 563120, 619432, 774290, 900992, 1126240, 1238864, 1548580, 1801984, 2252480, 2477728, 3097160, 3603968, 4504960, 4955456, 6194320, 9009920, 9910912, 12388640, 18019840, 19821824, 24777280, 39643648, 49554560, 99109120, 198218240]

約数ペア:

[(1, 198218240), (2, 99109120), (4, 49554560), (5, 39643648), (8, 24777280), (10, 19821824), (11, 18019840), (16, 12388640), (20, 9910912), (22, 9009920), (32, 6194320), (40, 4955456), (44, 4504960), (55, 3603968), (64, 3097160), (80, 2477728), (88, 2252480), (110, 1801984), (128, 1548580), (160, 1238864), (176, 1126240), (220, 900992), (256, 774290), (320, 619432), (352, 563120), (440, 450496), (512, 387145), (640, 309716), (704, 281560), (880, 225248), (1280, 154858), (1408, 140780), (1760, 112624), (2560, 77429), (2816, 70390), (3520, 56312), (5632, 35195), (7039, 28160), (7040, 28156), (14078, 14080)]