201788440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{1249}}^1$

素因数の和:1844

約数の個数: 64

約数和(自身を含む): 520200000

約数和(自身を除く): 318411560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 577, 1154, 1249, 2308, 2498, 2885, 4039, 4616, 4996, 5770, 6245, 8078, 8743, 9992, 11540, 12490, 16156, 17486, 20195, 23080, 24980, 32312, 34972, 40390, 43715, 49960, 69944, 80780, 87430, 161560, 174860, 349720, 720673, 1441346, 2882692, 3603365, 5044711, 5765384, 7206730, 10089422, 14413460, 20178844, 25223555, 28826920, 40357688, 50447110, 100894220, 201788440]

約数ペア:

[(1, 201788440), (2, 100894220), (4, 50447110), (5, 40357688), (7, 28826920), (8, 25223555), (10, 20178844), (14, 14413460), (20, 10089422), (28, 7206730), (35, 5765384), (40, 5044711), (56, 3603365), (70, 2882692), (140, 1441346), (280, 720673), (577, 349720), (1154, 174860), (1249, 161560), (2308, 87430), (2498, 80780), (2885, 69944), (4039, 49960), (4616, 43715), (4996, 40390), (5770, 34972), (6245, 32312), (8078, 24980), (8743, 23080), (9992, 20195), (11540, 17486), (12490, 16156)]