127702990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1693}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 242716320

約数和(自身を除く): 115013330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 397, 794, 1693, 1985, 3386, 3970, 7543, 8465, 15086, 16930, 32167, 37715, 64334, 75430, 160835, 321670, 672121, 1344242, 3360605, 6721210, 12770299, 25540598, 63851495, 127702990]

約数ペア:

[(1, 127702990), (2, 63851495), (5, 25540598), (10, 12770299), (19, 6721210), (38, 3360605), (95, 1344242), (190, 672121), (397, 321670), (794, 160835), (1693, 75430), (1985, 64334), (3386, 37715), (3970, 32167), (7543, 16930), (8465, 15086)]