685229968120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{4351219}}^1$

素因数の和:4351388

約数の個数: 64

約数和(自身を含む): 1604033740800

約数和(自身を除く): 918803772680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 2540, 3937, 5080, 7874, 15748, 19685, 31496, 39370, 78740, 157480, 4351219, 8702438, 17404876, 21756095, 34809752, 43512190, 87024380, 134887789, 174048760, 269775578, 539551156, 552604813, 674438945, 1079102312, 1105209626, 1348877890, 2210419252, 2697755780, 2763024065, 4420838504, 5395511560, 5526048130, 11052096260, 17130749203, 22104192520, 34261498406, 68522996812, 85653746015, 137045993624, 171307492030, 342614984060, 685229968120]

約数ペア:

[(1, 685229968120), (2, 342614984060), (4, 171307492030), (5, 137045993624), (8, 85653746015), (10, 68522996812), (20, 34261498406), (31, 22104192520), (40, 17130749203), (62, 11052096260), (124, 5526048130), (127, 5395511560), (155, 4420838504), (248, 2763024065), (254, 2697755780), (310, 2210419252), (508, 1348877890), (620, 1105209626), (635, 1079102312), (1016, 674438945), (1240, 552604813), (1270, 539551156), (2540, 269775578), (3937, 174048760), (5080, 134887789), (7874, 87024380), (15748, 43512190), (19685, 34809752), (31496, 21756095), (39370, 17404876), (78740, 8702438), (157480, 4351219)]