19624772500

素因数分解:

$2^2\times 5^4\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{563}}^1$

素因数の和:851

約数の個数: 120

約数和(自身を含む): 43808776704

約数和(自身を除く): 24184004204

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 125, 146, 191, 250, 292, 365, 382, 500, 563, 625, 730, 764, 955, 1126, 1250, 1460, 1825, 1910, 2252, 2500, 2815, 3650, 3820, 4775, 5630, 7300, 9125, 9550, 11260, 13943, 14075, 18250, 19100, 23875, 27886, 28150, 36500, 41099, 45625, 47750, 55772, 56300, 69715, 70375, 82198, 91250, 95500, 107533, 119375, 139430, 140750, 164396, 182500, 205495, 215066, 238750, 278860, 281500, 348575, 351875, 410990, 430132, 477500, 537665, 697150, 703750, 821980, 1027475, 1075330, 1394300, 1407500, 1742875, 2054950, 2150660, 2688325, 3485750, 4109900, 5137375, 5376650, 6971500, 7849909, 8714375, 10274750, 10753300, 13441625, 15699818, 17428750, 20549500, 25686875, 26883250, 31399636, 34857500, 39249545, 51373750, 53766500, 67208125, 78499090, 102747500, 134416250, 156998180, 196247725, 268832500, 392495450, 784990900, 981238625, 1962477250, 3924954500, 4906193125, 9812386250, 19624772500]

約数ペア:

[(1, 19624772500), (2, 9812386250), (4, 4906193125), (5, 3924954500), (10, 1962477250), (20, 981238625), (25, 784990900), (50, 392495450), (73, 268832500), (100, 196247725), (125, 156998180), (146, 134416250), (191, 102747500), (250, 78499090), (292, 67208125), (365, 53766500), (382, 51373750), (500, 39249545), (563, 34857500), (625, 31399636), (730, 26883250), (764, 25686875), (955, 20549500), (1126, 17428750), (1250, 15699818), (1460, 13441625), (1825, 10753300), (1910, 10274750), (2252, 8714375), (2500, 7849909), (2815, 6971500), (3650, 5376650), (3820, 5137375), (4775, 4109900), (5630, 3485750), (7300, 2688325), (9125, 2150660), (9550, 2054950), (11260, 1742875), (13943, 1407500), (14075, 1394300), (18250, 1075330), (19100, 1027475), (23875, 821980), (27886, 703750), (28150, 697150), (36500, 537665), (41099, 477500), (45625, 430132), (47750, 410990), (55772, 351875), (56300, 348575), (69715, 281500), (70375, 278860), (82198, 238750), (91250, 215066), (95500, 205495), (107533, 182500), (119375, 164396), (139430, 140750)]