128429170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2693}}^1$

素因数の和:2970

約数の個数: 32

約数和(自身を含む): 244399680

約数和(自身を除く): 115970510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 251, 502, 1255, 2510, 2693, 4769, 5386, 9538, 13465, 23845, 26930, 47690, 51167, 102334, 255835, 511670, 675943, 1351886, 3379715, 6759430, 12842917, 25685834, 64214585, 128429170]

約数ペア:

[(1, 128429170), (2, 64214585), (5, 25685834), (10, 12842917), (19, 6759430), (38, 3379715), (95, 1351886), (190, 675943), (251, 511670), (502, 255835), (1255, 102334), (2510, 51167), (2693, 47690), (4769, 26930), (5386, 23845), (9538, 13465)]