247007380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3137}}^1$

素因数の和:3304

約数の個数: 48

約数和(自身を含む): 539836416

約数和(自身を除く): 292829036

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2540, 3137, 3937, 6274, 7874, 12548, 15685, 15748, 19685, 31370, 39370, 62740, 78740, 97247, 194494, 388988, 398399, 486235, 796798, 972470, 1593596, 1944940, 1991995, 3983990, 7967980, 12350369, 24700738, 49401476, 61751845, 123503690, 247007380]

約数ペア:

[(1, 247007380), (2, 123503690), (4, 61751845), (5, 49401476), (10, 24700738), (20, 12350369), (31, 7967980), (62, 3983990), (124, 1991995), (127, 1944940), (155, 1593596), (254, 972470), (310, 796798), (508, 486235), (620, 398399), (635, 388988), (1270, 194494), (2540, 97247), (3137, 78740), (3937, 62740), (6274, 39370), (7874, 31370), (12548, 19685), (15685, 15748)]