138727720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{150791}}^1$

素因数の和:150825

約数の個数: 32

約数和(自身を含む): 325710720

約数和(自身を除く): 186983000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 150791, 301582, 603164, 753955, 1206328, 1507910, 3015820, 3468193, 6031640, 6936386, 13872772, 17340965, 27745544, 34681930, 69363860, 138727720]

約数ペア:

[(1, 138727720), (2, 69363860), (4, 34681930), (5, 27745544), (8, 17340965), (10, 13872772), (20, 6936386), (23, 6031640), (40, 3468193), (46, 3015820), (92, 1507910), (115, 1206328), (184, 753955), (230, 603164), (460, 301582), (920, 150791)]