3938702990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{30649}}^1$

素因数の和:30908

約数の個数: 32

約数和(自身を含む): 7229476800

約数和(自身を除く): 3290773810

約数列:

[1, 2, 5, 10, 71, 142, 181, 355, 362, 710, 905, 1810, 12851, 25702, 30649, 61298, 64255, 128510, 153245, 306490, 2176079, 4352158, 5547469, 10880395, 11094938, 21760790, 27737345, 55474690, 393870299, 787740598, 1969351495, 3938702990]

約数ペア:

[(1, 3938702990), (2, 1969351495), (5, 787740598), (10, 393870299), (71, 55474690), (142, 27737345), (181, 21760790), (355, 11094938), (362, 10880395), (710, 5547469), (905, 4352158), (1810, 2176079), (12851, 306490), (25702, 153245), (30649, 128510), (61298, 64255)]