194802760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1406

約数の個数: 64

約数和(自身を含む): 456376320

約数和(自身を除く): 261573560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1237, 1240, 1270, 2474, 2540, 3937, 4948, 5080, 6185, 7874, 9896, 12370, 15748, 19685, 24740, 31496, 38347, 39370, 49480, 76694, 78740, 153388, 157099, 157480, 191735, 306776, 314198, 383470, 628396, 766940, 785495, 1256792, 1533880, 1570990, 3141980, 4870069, 6283960, 9740138, 19480276, 24350345, 38960552, 48700690, 97401380, 194802760]

約数ペア:

[(1, 194802760), (2, 97401380), (4, 48700690), (5, 38960552), (8, 24350345), (10, 19480276), (20, 9740138), (31, 6283960), (40, 4870069), (62, 3141980), (124, 1570990), (127, 1533880), (155, 1256792), (248, 785495), (254, 766940), (310, 628396), (508, 383470), (620, 314198), (635, 306776), (1016, 191735), (1237, 157480), (1240, 157099), (1270, 153388), (2474, 78740), (2540, 76694), (3937, 49480), (4948, 39370), (5080, 38347), (6185, 31496), (7874, 24740), (9896, 19685), (12370, 15748)]