2775740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 6792576

約数和(自身を除く): 4016836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 37, 44, 55, 62, 74, 110, 121, 124, 148, 155, 185, 220, 242, 310, 341, 370, 407, 484, 605, 620, 682, 740, 814, 1147, 1210, 1364, 1628, 1705, 2035, 2294, 2420, 3410, 3751, 4070, 4477, 4588, 5735, 6820, 7502, 8140, 8954, 11470, 12617, 15004, 17908, 18755, 22385, 22940, 25234, 37510, 44770, 50468, 63085, 75020, 89540, 126170, 138787, 252340, 277574, 555148, 693935, 1387870, 2775740]

約数ペア:

[(1, 2775740), (2, 1387870), (4, 693935), (5, 555148), (10, 277574), (11, 252340), (20, 138787), (22, 126170), (31, 89540), (37, 75020), (44, 63085), (55, 50468), (62, 44770), (74, 37510), (110, 25234), (121, 22940), (124, 22385), (148, 18755), (155, 17908), (185, 15004), (220, 12617), (242, 11470), (310, 8954), (341, 8140), (370, 7502), (407, 6820), (484, 5735), (605, 4588), (620, 4477), (682, 4070), (740, 3751), (814, 3410), (1147, 2420), (1210, 2294), (1364, 2035), (1628, 1705)]