2940028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 6519744

約数和(自身を除く): 3579716

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 197, 287, 364, 394, 533, 574, 788, 1066, 1148, 1379, 2132, 2561, 2758, 3731, 5122, 5516, 7462, 8077, 10244, 14924, 16154, 17927, 32308, 35854, 56539, 71708, 105001, 113078, 210002, 226156, 420004, 735007, 1470014, 2940028]

約数ペア:

[(1, 2940028), (2, 1470014), (4, 735007), (7, 420004), (13, 226156), (14, 210002), (26, 113078), (28, 105001), (41, 71708), (52, 56539), (82, 35854), (91, 32308), (164, 17927), (182, 16154), (197, 14924), (287, 10244), (364, 8077), (394, 7462), (533, 5516), (574, 5122), (788, 3731), (1066, 2758), (1148, 2561), (1379, 2132)]