212124290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 445906944

約数和(自身を除く): 233782654

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 127, 214, 223, 254, 446, 535, 635, 749, 889, 1070, 1115, 1270, 1498, 1561, 1778, 2230, 3122, 3745, 4445, 7490, 7805, 8890, 13589, 15610, 23861, 27178, 28321, 47722, 56642, 67945, 95123, 119305, 135890, 141605, 167027, 190246, 198247, 238610, 283210, 334054, 396494, 475615, 835135, 951230, 991235, 1670270, 1982470, 3030347, 6060694, 15151735, 21212429, 30303470, 42424858, 106062145, 212124290]

約数ペア:

[(1, 212124290), (2, 106062145), (5, 42424858), (7, 30303470), (10, 21212429), (14, 15151735), (35, 6060694), (70, 3030347), (107, 1982470), (127, 1670270), (214, 991235), (223, 951230), (254, 835135), (446, 475615), (535, 396494), (635, 334054), (749, 283210), (889, 238610), (1070, 198247), (1115, 190246), (1270, 167027), (1498, 141605), (1561, 135890), (1778, 119305), (2230, 95123), (3122, 67945), (3745, 56642), (4445, 47722), (7490, 28321), (7805, 27178), (8890, 23861), (13589, 15610)]