1900494040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{6133}}^1$

素因数の和:6332

約数の個数: 64

約数和(自身を含む): 4381148160

約数和(自身を除く): 2480654120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 244, 254, 305, 488, 508, 610, 635, 1016, 1220, 1270, 2440, 2540, 5080, 6133, 7747, 12266, 15494, 24532, 30665, 30988, 38735, 49064, 61330, 61976, 77470, 122660, 154940, 245320, 309880, 374113, 748226, 778891, 1496452, 1557782, 1870565, 2992904, 3115564, 3741130, 3894455, 6231128, 7482260, 7788910, 14964520, 15577820, 31155640, 47512351, 95024702, 190049404, 237561755, 380098808, 475123510, 950247020, 1900494040]

約数ペア:

[(1, 1900494040), (2, 950247020), (4, 475123510), (5, 380098808), (8, 237561755), (10, 190049404), (20, 95024702), (40, 47512351), (61, 31155640), (122, 15577820), (127, 14964520), (244, 7788910), (254, 7482260), (305, 6231128), (488, 3894455), (508, 3741130), (610, 3115564), (635, 2992904), (1016, 1870565), (1220, 1557782), (1270, 1496452), (2440, 778891), (2540, 748226), (5080, 374113), (6133, 309880), (7747, 245320), (12266, 154940), (15494, 122660), (24532, 77470), (30665, 61976), (30988, 61330), (38735, 49064)]