2172952220

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{5449}}^1$

素因数の和:5742

約数の個数: 48

約数和(自身を含む): 4629273600

約数和(自身を除く): 2456321380

約数列:

[1, 2, 4, 5, 10, 20, 127, 157, 254, 314, 508, 628, 635, 785, 1270, 1570, 2540, 3140, 5449, 10898, 19939, 21796, 27245, 39878, 54490, 79756, 99695, 108980, 199390, 398780, 692023, 855493, 1384046, 1710986, 2768092, 3421972, 3460115, 4277465, 6920230, 8554930, 13840460, 17109860, 108647611, 217295222, 434590444, 543238055, 1086476110, 2172952220]

約数ペア:

[(1, 2172952220), (2, 1086476110), (4, 543238055), (5, 434590444), (10, 217295222), (20, 108647611), (127, 17109860), (157, 13840460), (254, 8554930), (314, 6920230), (508, 4277465), (628, 3460115), (635, 3421972), (785, 2768092), (1270, 1710986), (1570, 1384046), (2540, 855493), (3140, 692023), (5449, 398780), (10898, 199390), (19939, 108980), (21796, 99695), (27245, 79756), (39878, 54490)]