127914820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2539}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 294436800

約数和(自身を除く): 166521980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 458, 916, 1145, 2290, 2519, 2539, 4580, 5038, 5078, 10076, 10156, 12595, 12695, 25190, 25390, 27929, 50380, 50780, 55858, 111716, 139645, 279290, 558580, 581431, 1162862, 2325724, 2907155, 5814310, 6395741, 11628620, 12791482, 25582964, 31978705, 63957410, 127914820]

約数ペア:

[(1, 127914820), (2, 63957410), (4, 31978705), (5, 25582964), (10, 12791482), (11, 11628620), (20, 6395741), (22, 5814310), (44, 2907155), (55, 2325724), (110, 1162862), (220, 581431), (229, 558580), (458, 279290), (916, 139645), (1145, 111716), (2290, 55858), (2519, 50780), (2539, 50380), (4580, 27929), (5038, 25390), (5078, 25190), (10076, 12695), (10156, 12595)]