311938604840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1033}}^1\times {\mathrm{243527}}^1$

素因数の和:244602

約数の個数: 64

約数和(自身を含む): 725206901760

約数和(自身を除く): 413268296920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1033, 1240, 2066, 4132, 5165, 8264, 10330, 20660, 32023, 41320, 64046, 128092, 160115, 243527, 256184, 320230, 487054, 640460, 974108, 1217635, 1280920, 1948216, 2435270, 4870540, 7549337, 9741080, 15098674, 30197348, 37746685, 60394696, 75493370, 150986740, 251563391, 301973480, 503126782, 1006253564, 1257816955, 2012507128, 2515633910, 5031267820, 7798465121, 10062535640, 15596930242, 31193860484, 38992325605, 62387720968, 77984651210, 155969302420, 311938604840]

約数ペア:

[(1, 311938604840), (2, 155969302420), (4, 77984651210), (5, 62387720968), (8, 38992325605), (10, 31193860484), (20, 15596930242), (31, 10062535640), (40, 7798465121), (62, 5031267820), (124, 2515633910), (155, 2012507128), (248, 1257816955), (310, 1006253564), (620, 503126782), (1033, 301973480), (1240, 251563391), (2066, 150986740), (4132, 75493370), (5165, 60394696), (8264, 37746685), (10330, 30197348), (20660, 15098674), (32023, 9741080), (41320, 7549337), (64046, 4870540), (128092, 2435270), (160115, 1948216), (243527, 1280920), (256184, 1217635), (320230, 974108), (487054, 640460)]