155516620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{6421}}^1$

素因数の和:6610

約数の個数: 48

約数和(自身を含む): 375455808

約数和(自身を除く): 219939188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3460, 4844, 6055, 6421, 12110, 12842, 24220, 25684, 32105, 44947, 64210, 89894, 128420, 179788, 224735, 449470, 898940, 1110833, 2221666, 4443332, 5554165, 7775831, 11108330, 15551662, 22216660, 31103324, 38879155, 77758310, 155516620]

約数ペア:

[(1, 155516620), (2, 77758310), (4, 38879155), (5, 31103324), (7, 22216660), (10, 15551662), (14, 11108330), (20, 7775831), (28, 5554165), (35, 4443332), (70, 2221666), (140, 1110833), (173, 898940), (346, 449470), (692, 224735), (865, 179788), (1211, 128420), (1730, 89894), (2422, 64210), (3460, 44947), (4844, 32105), (6055, 25684), (6421, 24220), (12110, 12842)]