280876428

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{159227}}^1$

素因数の和:159251

約数の個数: 54

約数和(自身を含む): 825915636

約数和(自身を除く): 545039208

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 159227, 318454, 477681, 636908, 955362, 1114589, 1433043, 1910724, 2229178, 2866086, 3343767, 4458356, 5732172, 6687534, 7802123, 10031301, 13375068, 15604246, 20062602, 23406369, 31208492, 40125204, 46812738, 70219107, 93625476, 140438214, 280876428]

約数ペア:

[(1, 280876428), (2, 140438214), (3, 93625476), (4, 70219107), (6, 46812738), (7, 40125204), (9, 31208492), (12, 23406369), (14, 20062602), (18, 15604246), (21, 13375068), (28, 10031301), (36, 7802123), (42, 6687534), (49, 5732172), (63, 4458356), (84, 3343767), (98, 2866086), (126, 2229178), (147, 1910724), (196, 1433043), (252, 1114589), (294, 955362), (441, 636908), (588, 477681), (882, 318454), (1764, 159227)]