276421420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{40531}}^1$

素因数の和:40582

約数の個数: 48

約数和(自身を含む): 653700096

約数和(自身を除く): 377278676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 40531, 81062, 162124, 202655, 405310, 445841, 810620, 891682, 1256461, 1783364, 2229205, 2512922, 4458410, 5025844, 6282305, 8916820, 12564610, 13821071, 25129220, 27642142, 55284284, 69105355, 138210710, 276421420]

約数ペア:

[(1, 276421420), (2, 138210710), (4, 69105355), (5, 55284284), (10, 27642142), (11, 25129220), (20, 13821071), (22, 12564610), (31, 8916820), (44, 6282305), (55, 5025844), (62, 4458410), (110, 2512922), (124, 2229205), (155, 1783364), (220, 1256461), (310, 891682), (341, 810620), (620, 445841), (682, 405310), (1364, 202655), (1705, 162124), (3410, 81062), (6820, 40531)]