16208900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{449}}^1$

素因数の和:501

約数の個数: 54

約数和(自身を含む): 37204650

約数和(自身を除く): 20995750

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 449, 475, 722, 898, 950, 1444, 1796, 1805, 1900, 2245, 3610, 4490, 7220, 8531, 8980, 9025, 11225, 17062, 18050, 22450, 34124, 36100, 42655, 44900, 85310, 162089, 170620, 213275, 324178, 426550, 648356, 810445, 853100, 1620890, 3241780, 4052225, 8104450, 16208900]

約数ペア:

[(1, 16208900), (2, 8104450), (4, 4052225), (5, 3241780), (10, 1620890), (19, 853100), (20, 810445), (25, 648356), (38, 426550), (50, 324178), (76, 213275), (95, 170620), (100, 162089), (190, 85310), (361, 44900), (380, 42655), (449, 36100), (475, 34124), (722, 22450), (898, 18050), (950, 17062), (1444, 11225), (1796, 9025), (1805, 8980), (1900, 8531), (2245, 7220), (3610, 4490)]