203772280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 470175840

約数和(自身を除く): 266403560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 277, 347, 424, 530, 554, 694, 1060, 1108, 1385, 1388, 1735, 2120, 2216, 2770, 2776, 3470, 5540, 6940, 11080, 13880, 14681, 18391, 29362, 36782, 58724, 73405, 73564, 91955, 96119, 117448, 146810, 147128, 183910, 192238, 293620, 367820, 384476, 480595, 587240, 735640, 768952, 961190, 1922380, 3844760, 5094307, 10188614, 20377228, 25471535, 40754456, 50943070, 101886140, 203772280]

約数ペア:

[(1, 203772280), (2, 101886140), (4, 50943070), (5, 40754456), (8, 25471535), (10, 20377228), (20, 10188614), (40, 5094307), (53, 3844760), (106, 1922380), (212, 961190), (265, 768952), (277, 735640), (347, 587240), (424, 480595), (530, 384476), (554, 367820), (694, 293620), (1060, 192238), (1108, 183910), (1385, 147128), (1388, 146810), (1735, 117448), (2120, 96119), (2216, 91955), (2770, 73564), (2776, 73405), (3470, 58724), (5540, 36782), (6940, 29362), (11080, 18391), (13880, 14681)]