31429000

素因数分解:

$2^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 75057840

約数和(自身を除く): 43628840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 200, 212, 250, 265, 424, 500, 530, 593, 1000, 1060, 1186, 1325, 2120, 2372, 2650, 2965, 4744, 5300, 5930, 6625, 10600, 11860, 13250, 14825, 23720, 26500, 29650, 31429, 53000, 59300, 62858, 74125, 118600, 125716, 148250, 157145, 251432, 296500, 314290, 593000, 628580, 785725, 1257160, 1571450, 3142900, 3928625, 6285800, 7857250, 15714500, 31429000]

約数ペア:

[(1, 31429000), (2, 15714500), (4, 7857250), (5, 6285800), (8, 3928625), (10, 3142900), (20, 1571450), (25, 1257160), (40, 785725), (50, 628580), (53, 593000), (100, 314290), (106, 296500), (125, 251432), (200, 157145), (212, 148250), (250, 125716), (265, 118600), (424, 74125), (500, 62858), (530, 59300), (593, 53000), (1000, 31429), (1060, 29650), (1186, 26500), (1325, 23720), (2120, 14825), (2372, 13250), (2650, 11860), (2965, 10600), (4744, 6625), (5300, 5930)]