311204790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{265987}}^1$

素因数の和:266013

約数の個数: 48

約数和(自身を含む): 871376688

約数和(自身を除く): 560171898

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 265987, 531974, 797961, 1329935, 1595922, 2393883, 2659870, 3457831, 3989805, 4787766, 6915662, 7979610, 10373493, 11969415, 17289155, 20746986, 23938830, 31120479, 34578310, 51867465, 62240958, 103734930, 155602395, 311204790]

約数ペア:

[(1, 311204790), (2, 155602395), (3, 103734930), (5, 62240958), (6, 51867465), (9, 34578310), (10, 31120479), (13, 23938830), (15, 20746986), (18, 17289155), (26, 11969415), (30, 10373493), (39, 7979610), (45, 6915662), (65, 4787766), (78, 3989805), (90, 3457831), (117, 2659870), (130, 2393883), (195, 1595922), (234, 1329935), (390, 797961), (585, 531974), (1170, 265987)]