61252580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{449}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 136080000

約数和(自身を除く): 74827420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 359, 380, 449, 718, 898, 1436, 1795, 1796, 2245, 3590, 4490, 6821, 7180, 8531, 8980, 13642, 17062, 27284, 34105, 34124, 42655, 68210, 85310, 136420, 161191, 170620, 322382, 644764, 805955, 1611910, 3062629, 3223820, 6125258, 12250516, 15313145, 30626290, 61252580]

約数ペア:

[(1, 61252580), (2, 30626290), (4, 15313145), (5, 12250516), (10, 6125258), (19, 3223820), (20, 3062629), (38, 1611910), (76, 805955), (95, 644764), (190, 322382), (359, 170620), (380, 161191), (449, 136420), (718, 85310), (898, 68210), (1436, 42655), (1795, 34124), (1796, 34105), (2245, 27284), (3590, 17062), (4490, 13642), (6821, 8980), (7180, 8531)]