2236780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 5785920

約数和(自身を除く): 3549140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1229, 1820, 2458, 4916, 6145, 8603, 12290, 15977, 17206, 24580, 31954, 34412, 43015, 63908, 79885, 86030, 111839, 159770, 172060, 223678, 319540, 447356, 559195, 1118390, 2236780]

約数ペア:

[(1, 2236780), (2, 1118390), (4, 559195), (5, 447356), (7, 319540), (10, 223678), (13, 172060), (14, 159770), (20, 111839), (26, 86030), (28, 79885), (35, 63908), (52, 43015), (65, 34412), (70, 31954), (91, 24580), (130, 17206), (140, 15977), (182, 12290), (260, 8603), (364, 6145), (455, 4916), (910, 2458), (1229, 1820)]