209002920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248813}}^1$

素因数の和:248834

約数の個数: 64

約数和(自身を含む): 716584320

約数和(自身を除く): 507581400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 248813, 497626, 746439, 995252, 1244065, 1492878, 1741691, 1990504, 2488130, 2985756, 3483382, 3732195, 4976260, 5225073, 5971512, 6966764, 7464390, 8708455, 9952520, 10450146, 13933528, 14928780, 17416910, 20900292, 26125365, 29857560, 34833820, 41800584, 52250730, 69667640, 104501460, 209002920]

約数ペア:

[(1, 209002920), (2, 104501460), (3, 69667640), (4, 52250730), (5, 41800584), (6, 34833820), (7, 29857560), (8, 26125365), (10, 20900292), (12, 17416910), (14, 14928780), (15, 13933528), (20, 10450146), (21, 9952520), (24, 8708455), (28, 7464390), (30, 6966764), (35, 5971512), (40, 5225073), (42, 4976260), (56, 3732195), (60, 3483382), (70, 2985756), (84, 2488130), (105, 1990504), (120, 1741691), (140, 1492878), (168, 1244065), (210, 995252), (280, 746439), (420, 497626), (840, 248813)]