202105400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 561057840

約数和(自身を除く): 358952440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 82, 98, 100, 140, 164, 175, 196, 200, 205, 245, 280, 287, 328, 350, 392, 410, 490, 503, 574, 700, 820, 980, 1006, 1025, 1148, 1225, 1400, 1435, 1640, 1960, 2009, 2012, 2050, 2296, 2450, 2515, 2870, 3521, 4018, 4024, 4100, 4900, 5030, 5740, 7042, 7175, 8036, 8200, 9800, 10045, 10060, 11480, 12575, 14084, 14350, 16072, 17605, 20090, 20120, 20623, 24647, 25150, 28168, 28700, 35210, 40180, 41246, 49294, 50225, 50300, 57400, 70420, 80360, 82492, 88025, 98588, 100450, 100600, 103115, 123235, 140840, 144361, 164984, 176050, 197176, 200900, 206230, 246470, 288722, 352100, 401800, 412460, 492940, 515575, 577444, 616175, 704200, 721805, 824920, 985880, 1010527, 1031150, 1154888, 1232350, 1443610, 2021054, 2062300, 2464700, 2887220, 3609025, 4042108, 4124600, 4929400, 5052635, 5774440, 7218050, 8084216, 10105270, 14436100, 20210540, 25263175, 28872200, 40421080, 50526350, 101052700, 202105400]

約数ペア:

[(1, 202105400), (2, 101052700), (4, 50526350), (5, 40421080), (7, 28872200), (8, 25263175), (10, 20210540), (14, 14436100), (20, 10105270), (25, 8084216), (28, 7218050), (35, 5774440), (40, 5052635), (41, 4929400), (49, 4124600), (50, 4042108), (56, 3609025), (70, 2887220), (82, 2464700), (98, 2062300), (100, 2021054), (140, 1443610), (164, 1232350), (175, 1154888), (196, 1031150), (200, 1010527), (205, 985880), (245, 824920), (280, 721805), (287, 704200), (328, 616175), (350, 577444), (392, 515575), (410, 492940), (490, 412460), (503, 401800), (574, 352100), (700, 288722), (820, 246470), (980, 206230), (1006, 200900), (1025, 197176), (1148, 176050), (1225, 164984), (1400, 144361), (1435, 140840), (1640, 123235), (1960, 103115), (2009, 100600), (2012, 100450), (2050, 98588), (2296, 88025), (2450, 82492), (2515, 80360), (2870, 70420), (3521, 57400), (4018, 50300), (4024, 50225), (4100, 49294), (4900, 41246), (5030, 40180), (5740, 35210), (7042, 28700), (7175, 28168), (8036, 25150), (8200, 24647), (9800, 20623), (10045, 20120), (10060, 20090), (11480, 17605), (12575, 16072), (14084, 14350)]