12774620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 28102368

約数和(自身を除く): 15327748

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 283, 305, 370, 566, 610, 740, 1132, 1220, 1415, 2257, 2830, 4514, 5660, 9028, 10471, 11285, 17263, 20942, 22570, 34526, 41884, 45140, 52355, 69052, 86315, 104710, 172630, 209420, 345260, 638731, 1277462, 2554924, 3193655, 6387310, 12774620]

約数ペア:

[(1, 12774620), (2, 6387310), (4, 3193655), (5, 2554924), (10, 1277462), (20, 638731), (37, 345260), (61, 209420), (74, 172630), (122, 104710), (148, 86315), (185, 69052), (244, 52355), (283, 45140), (305, 41884), (370, 34526), (566, 22570), (610, 20942), (740, 17263), (1132, 11285), (1220, 10471), (1415, 9028), (2257, 5660), (2830, 4514)]