82151720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293399}}^1$

素因数の和:293417

約数の個数: 32

約数和(自身を含む): 211248000

約数和(自身を除く): 129096280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293399, 586798, 1173596, 1466995, 2053793, 2347192, 2933990, 4107586, 5867980, 8215172, 10268965, 11735960, 16430344, 20537930, 41075860, 82151720]

約数ペア:

[(1, 82151720), (2, 41075860), (4, 20537930), (5, 16430344), (7, 11735960), (8, 10268965), (10, 8215172), (14, 5867980), (20, 4107586), (28, 2933990), (35, 2347192), (40, 2053793), (56, 1466995), (70, 1173596), (140, 586798), (280, 293399)]