28302340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 65520000

約数和(自身を除く): 37217660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 1249, 2060, 2266, 2498, 4532, 4996, 5665, 6245, 11330, 12490, 13739, 22660, 24980, 27478, 54956, 68695, 128647, 137390, 257294, 274780, 514588, 643235, 1286470, 1415117, 2572940, 2830234, 5660468, 7075585, 14151170, 28302340]

約数ペア:

[(1, 28302340), (2, 14151170), (4, 7075585), (5, 5660468), (10, 2830234), (11, 2572940), (20, 1415117), (22, 1286470), (44, 643235), (55, 514588), (103, 274780), (110, 257294), (206, 137390), (220, 128647), (412, 68695), (515, 54956), (1030, 27478), (1133, 24980), (1249, 22660), (2060, 13739), (2266, 12490), (2498, 11330), (4532, 6245), (4996, 5665)]