854405870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:597

約数の個数: 64

約数和(自身を含む): 1654344000

約数和(自身を除く): 799938130

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 229, 269, 365, 458, 538, 730, 1145, 1345, 1387, 2290, 2690, 2774, 4351, 5111, 6935, 8702, 10222, 13870, 16717, 19637, 21755, 25555, 33434, 39274, 43510, 51110, 61601, 83585, 98185, 123202, 167170, 196370, 308005, 317623, 373103, 616010, 635246, 746206, 1170419, 1588115, 1865515, 2340838, 3176230, 3731030, 4496873, 5852095, 8993746, 11704190, 22484365, 44968730, 85440587, 170881174, 427202935, 854405870]

約数ペア:

[(1, 854405870), (2, 427202935), (5, 170881174), (10, 85440587), (19, 44968730), (38, 22484365), (73, 11704190), (95, 8993746), (146, 5852095), (190, 4496873), (229, 3731030), (269, 3176230), (365, 2340838), (458, 1865515), (538, 1588115), (730, 1170419), (1145, 746206), (1345, 635246), (1387, 616010), (2290, 373103), (2690, 317623), (2774, 308005), (4351, 196370), (5111, 167170), (6935, 123202), (8702, 98185), (10222, 83585), (13870, 61601), (16717, 51110), (19637, 43510), (21755, 39274), (25555, 33434)]