5228440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 13685760

約数和(自身を除く): 8457320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 263, 280, 284, 355, 497, 526, 568, 710, 994, 1052, 1315, 1420, 1841, 1988, 2104, 2485, 2630, 2840, 3682, 3976, 4970, 5260, 7364, 9205, 9940, 10520, 14728, 18410, 18673, 19880, 36820, 37346, 73640, 74692, 93365, 130711, 149384, 186730, 261422, 373460, 522844, 653555, 746920, 1045688, 1307110, 2614220, 5228440]

約数ペア:

[(1, 5228440), (2, 2614220), (4, 1307110), (5, 1045688), (7, 746920), (8, 653555), (10, 522844), (14, 373460), (20, 261422), (28, 186730), (35, 149384), (40, 130711), (56, 93365), (70, 74692), (71, 73640), (140, 37346), (142, 36820), (263, 19880), (280, 18673), (284, 18410), (355, 14728), (497, 10520), (526, 9940), (568, 9205), (710, 7364), (994, 5260), (1052, 4970), (1315, 3976), (1420, 3682), (1841, 2840), (1988, 2630), (2104, 2485)]