220171275

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 413478000

約数和(自身を除く): 193306725

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 53, 75, 111, 159, 185, 225, 265, 333, 477, 499, 555, 795, 925, 1325, 1497, 1665, 1961, 2385, 2495, 2775, 3975, 4491, 5883, 7485, 8325, 9805, 11925, 12475, 17649, 18463, 22455, 26447, 29415, 37425, 49025, 55389, 79341, 88245, 92315, 112275, 132235, 147075, 166167, 238023, 276945, 396705, 441225, 461575, 661175, 830835, 978539, 1190115, 1384725, 1983525, 2935617, 4154175, 4892695, 5950575, 8806851, 14678085, 24463475, 44034255, 73390425, 220171275]

約数ペア:

[(1, 220171275), (3, 73390425), (5, 44034255), (9, 24463475), (15, 14678085), (25, 8806851), (37, 5950575), (45, 4892695), (53, 4154175), (75, 2935617), (111, 1983525), (159, 1384725), (185, 1190115), (225, 978539), (265, 830835), (333, 661175), (477, 461575), (499, 441225), (555, 396705), (795, 276945), (925, 238023), (1325, 166167), (1497, 147075), (1665, 132235), (1961, 112275), (2385, 92315), (2495, 88245), (2775, 79341), (3975, 55389), (4491, 49025), (5883, 37425), (7485, 29415), (8325, 26447), (9805, 22455), (11925, 18463), (12475, 17649)]