49890200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 122598180

約数和(自身を除く): 72707980

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 361, 380, 475, 691, 722, 760, 950, 1382, 1444, 1805, 1900, 2764, 2888, 3455, 3610, 3800, 5528, 6910, 7220, 9025, 13129, 13820, 14440, 17275, 18050, 26258, 27640, 34550, 36100, 52516, 65645, 69100, 72200, 105032, 131290, 138200, 249451, 262580, 328225, 498902, 525160, 656450, 997804, 1247255, 1312900, 1995608, 2494510, 2625800, 4989020, 6236275, 9978040, 12472550, 24945100, 49890200]

約数ペア:

[(1, 49890200), (2, 24945100), (4, 12472550), (5, 9978040), (8, 6236275), (10, 4989020), (19, 2625800), (20, 2494510), (25, 1995608), (38, 1312900), (40, 1247255), (50, 997804), (76, 656450), (95, 525160), (100, 498902), (152, 328225), (190, 262580), (200, 249451), (361, 138200), (380, 131290), (475, 105032), (691, 72200), (722, 69100), (760, 65645), (950, 52516), (1382, 36100), (1444, 34550), (1805, 27640), (1900, 26258), (2764, 18050), (2888, 17275), (3455, 14440), (3610, 13820), (3800, 13129), (5528, 9025), (6910, 7220)]