681406180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{374399}}^1$

素因数の和:374428

約数の個数: 48

約数和(自身を含む): 1761177600

約数和(自身を除く): 1079771420

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, 1820, 374399, 748798, 1497596, 1871995, 2620793, 3743990, 4867187, 5241586, 7487980, 9734374, 10483172, 13103965, 19468748, 24335935, 26207930, 34070309, 48671870, 52415860, 68140618, 97343740, 136281236, 170351545, 340703090, 681406180]

約数ペア:

[(1, 681406180), (2, 340703090), (4, 170351545), (5, 136281236), (7, 97343740), (10, 68140618), (13, 52415860), (14, 48671870), (20, 34070309), (26, 26207930), (28, 24335935), (35, 19468748), (52, 13103965), (65, 10483172), (70, 9734374), (91, 7487980), (130, 5241586), (140, 4867187), (182, 3743990), (260, 2620793), (364, 1871995), (455, 1497596), (910, 748798), (1820, 374399)]