179979830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{2909}}^1$

素因数の和:3208

約数の個数: 32

約数和(自身を含む): 339422400

約数和(自身を除く): 159442570

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 269, 538, 1345, 2690, 2909, 5818, 6187, 12374, 14545, 29090, 30935, 61870, 66907, 133814, 334535, 669070, 782521, 1565042, 3912605, 7825210, 17997983, 35995966, 89989915, 179979830]

約数ペア:

[(1, 179979830), (2, 89989915), (5, 35995966), (10, 17997983), (23, 7825210), (46, 3912605), (115, 1565042), (230, 782521), (269, 669070), (538, 334535), (1345, 133814), (2690, 66907), (2909, 61870), (5818, 30935), (6187, 29090), (12374, 14545)]