54988780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5101}}^1$

素因数の和:5135

約数の個数: 72

約数和(自身を含む): 146570256

約数和(自身を除く): 91581476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5101, 5390, 10202, 10780, 20404, 25505, 35707, 51010, 56111, 71414, 102020, 112222, 142828, 178535, 224444, 249949, 280555, 357070, 392777, 499898, 561110, 714140, 785554, 999796, 1122220, 1249745, 1571108, 1963885, 2499490, 2749439, 3927770, 4998980, 5498878, 7855540, 10997756, 13747195, 27494390, 54988780]

約数ペア:

[(1, 54988780), (2, 27494390), (4, 13747195), (5, 10997756), (7, 7855540), (10, 5498878), (11, 4998980), (14, 3927770), (20, 2749439), (22, 2499490), (28, 1963885), (35, 1571108), (44, 1249745), (49, 1122220), (55, 999796), (70, 785554), (77, 714140), (98, 561110), (110, 499898), (140, 392777), (154, 357070), (196, 280555), (220, 249949), (245, 224444), (308, 178535), (385, 142828), (490, 112222), (539, 102020), (770, 71414), (980, 56111), (1078, 51010), (1540, 35707), (2156, 25505), (2695, 20404), (5101, 10780), (5390, 10202)]