78727220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27527}}^1$

素因数の和:27560

約数の個数: 48

約数和(自身を含む): 194237568

約数和(自身を除く): 115510348

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 27527, 55054, 110108, 137635, 275270, 302797, 357851, 550540, 605594, 715702, 1211188, 1431404, 1513985, 1789255, 3027970, 3578510, 3936361, 6055940, 7157020, 7872722, 15745444, 19681805, 39363610, 78727220]

約数ペア:

[(1, 78727220), (2, 39363610), (4, 19681805), (5, 15745444), (10, 7872722), (11, 7157020), (13, 6055940), (20, 3936361), (22, 3578510), (26, 3027970), (44, 1789255), (52, 1513985), (55, 1431404), (65, 1211188), (110, 715702), (130, 605594), (143, 550540), (220, 357851), (260, 302797), (286, 275270), (572, 137635), (715, 110108), (1430, 55054), (2860, 27527)]