290450215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 398361600

約数和(自身を除く): 107911385

約数列:

[1, 5, 11, 55, 59, 79, 103, 121, 295, 395, 515, 605, 649, 869, 1133, 3245, 4345, 4661, 5665, 6077, 7139, 8137, 9559, 12463, 23305, 30385, 35695, 40685, 47795, 51271, 62315, 66847, 89507, 256355, 334235, 447535, 480083, 563981, 735317, 984577, 2400415, 2819905, 3676585, 4922885, 5280913, 26404565, 58090043, 290450215]

約数ペア:

[(1, 290450215), (5, 58090043), (11, 26404565), (55, 5280913), (59, 4922885), (79, 3676585), (103, 2819905), (121, 2400415), (295, 984577), (395, 735317), (515, 563981), (605, 480083), (649, 447535), (869, 334235), (1133, 256355), (3245, 89507), (4345, 66847), (4661, 62315), (5665, 51271), (6077, 47795), (7139, 40685), (8137, 35695), (9559, 30385), (12463, 23305)]