90277220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2083}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 207966528

約数和(自身を除く): 117689308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2083, 2167, 3940, 4166, 4334, 8332, 8668, 10415, 10835, 20830, 21670, 22913, 41660, 43340, 45826, 91652, 114565, 229130, 410351, 458260, 820702, 1641404, 2051755, 4103510, 4513861, 8207020, 9027722, 18055444, 22569305, 45138610, 90277220]

約数ペア:

[(1, 90277220), (2, 45138610), (4, 22569305), (5, 18055444), (10, 9027722), (11, 8207020), (20, 4513861), (22, 4103510), (44, 2051755), (55, 1641404), (110, 820702), (197, 458260), (220, 410351), (394, 229130), (788, 114565), (985, 91652), (1970, 45826), (2083, 43340), (2167, 41660), (3940, 22913), (4166, 21670), (4334, 20830), (8332, 10835), (8668, 10415)]