290353840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{22543}}^1$

素因数の和:22586

約数の個数: 80

約数和(自身を含む): 805091328

約数和(自身を除く): 514737488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 22543, 45086, 90172, 112715, 157801, 180344, 225430, 315602, 360688, 450860, 518489, 631204, 789005, 901720, 1036978, 1262408, 1578010, 1803440, 2073956, 2524816, 2592445, 3156020, 3629423, 4147912, 5184890, 6312040, 7258846, 8295824, 10369780, 12624080, 14517692, 18147115, 20739560, 29035384, 36294230, 41479120, 58070768, 72588460, 145176920, 290353840]

約数ペア:

[(1, 290353840), (2, 145176920), (4, 72588460), (5, 58070768), (7, 41479120), (8, 36294230), (10, 29035384), (14, 20739560), (16, 18147115), (20, 14517692), (23, 12624080), (28, 10369780), (35, 8295824), (40, 7258846), (46, 6312040), (56, 5184890), (70, 4147912), (80, 3629423), (92, 3156020), (112, 2592445), (115, 2524816), (140, 2073956), (161, 1803440), (184, 1578010), (230, 1262408), (280, 1036978), (322, 901720), (368, 789005), (460, 631204), (560, 518489), (644, 450860), (805, 360688), (920, 315602), (1288, 225430), (1610, 180344), (1840, 157801), (2576, 112715), (3220, 90172), (6440, 45086), (12880, 22543)]