28054070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 59996160

約数和(自身を除く): 31942090

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 418, 433, 589, 682, 866, 1045, 1178, 1705, 2090, 2165, 2945, 3410, 4330, 4763, 5890, 6479, 8227, 9526, 12958, 13423, 16454, 23815, 26846, 32395, 41135, 47630, 64790, 67115, 82270, 90497, 134230, 147653, 180994, 255037, 295306, 452485, 510074, 738265, 904970, 1275185, 1476530, 2550370, 2805407, 5610814, 14027035, 28054070]

約数ペア:

[(1, 28054070), (2, 14027035), (5, 5610814), (10, 2805407), (11, 2550370), (19, 1476530), (22, 1275185), (31, 904970), (38, 738265), (55, 510074), (62, 452485), (95, 295306), (110, 255037), (155, 180994), (190, 147653), (209, 134230), (310, 90497), (341, 82270), (418, 67115), (433, 64790), (589, 47630), (682, 41135), (866, 32395), (1045, 26846), (1178, 23815), (1705, 16454), (2090, 13423), (2165, 12958), (2945, 9526), (3410, 8227), (4330, 6479), (4763, 5890)]