2799188840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{112327}}^1$

素因数の和:112434

約数の個数: 64

約数和(自身を含む): 7278854400

約数和(自身を除く): 4479665560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 12460, 24920, 112327, 224654, 449308, 561635, 786289, 898616, 1123270, 1572578, 2246540, 3145156, 3931445, 4493080, 6290312, 7862890, 9997103, 15725780, 19994206, 31451560, 39988412, 49985515, 69979721, 79976824, 99971030, 139959442, 199942060, 279918884, 349898605, 399884120, 559837768, 699797210, 1399594420, 2799188840]

約数ペア:

[(1, 2799188840), (2, 1399594420), (4, 699797210), (5, 559837768), (7, 399884120), (8, 349898605), (10, 279918884), (14, 199942060), (20, 139959442), (28, 99971030), (35, 79976824), (40, 69979721), (56, 49985515), (70, 39988412), (89, 31451560), (140, 19994206), (178, 15725780), (280, 9997103), (356, 7862890), (445, 6290312), (623, 4493080), (712, 3931445), (890, 3145156), (1246, 2246540), (1780, 1572578), (2492, 1123270), (3115, 898616), (3560, 786289), (4984, 561635), (6230, 449308), (12460, 224654), (24920, 112327)]