669228640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{220141}}^1$

素因数の和:220175

約数の個数: 48

約数和(自身を含む): 1664273520

約数和(自身を除く): 995044880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 220141, 440282, 880564, 1100705, 1761128, 2201410, 3522256, 4182679, 4402820, 7044512, 8365358, 8805640, 16730716, 17611280, 20913395, 33461432, 35222560, 41826790, 66922864, 83653580, 133845728, 167307160, 334614320, 669228640]

約数ペア:

[(1, 669228640), (2, 334614320), (4, 167307160), (5, 133845728), (8, 83653580), (10, 66922864), (16, 41826790), (19, 35222560), (20, 33461432), (32, 20913395), (38, 17611280), (40, 16730716), (76, 8805640), (80, 8365358), (95, 7044512), (152, 4402820), (160, 4182679), (190, 3522256), (304, 2201410), (380, 1761128), (608, 1100705), (760, 880564), (1520, 440282), (3040, 220141)]