1258702900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{138319}}^1$

素因数の和:138353

約数の個数: 72

約数和(自身を含む): 3361729280

約数和(自身を除く): 2103026380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 138319, 276638, 553276, 691595, 968233, 1383190, 1798147, 1936466, 2766380, 3457975, 3596294, 3872932, 4841165, 6915950, 7192588, 8990735, 9682330, 12587029, 13831900, 17981470, 19364660, 24205825, 25174058, 35962940, 44953675, 48411650, 50348116, 62935145, 89907350, 96823300, 125870290, 179814700, 251740580, 314675725, 629351450, 1258702900]

約数ペア:

[(1, 1258702900), (2, 629351450), (4, 314675725), (5, 251740580), (7, 179814700), (10, 125870290), (13, 96823300), (14, 89907350), (20, 62935145), (25, 50348116), (26, 48411650), (28, 44953675), (35, 35962940), (50, 25174058), (52, 24205825), (65, 19364660), (70, 17981470), (91, 13831900), (100, 12587029), (130, 9682330), (140, 8990735), (175, 7192588), (182, 6915950), (260, 4841165), (325, 3872932), (350, 3596294), (364, 3457975), (455, 2766380), (650, 1936466), (700, 1798147), (910, 1383190), (1300, 968233), (1820, 691595), (2275, 553276), (4550, 276638), (9100, 138319)]