308249140

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{15679}}^1$

素因数の和:16671

約数の個数: 24

約数和(自身を含む): 648023040

約数和(自身を除く): 339773900

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 3932, 4915, 9830, 15679, 19660, 31358, 62716, 78395, 156790, 313580, 15412457, 30824914, 61649828, 77062285, 154124570, 308249140]

約数ペア:

[(1, 308249140), (2, 154124570), (4, 77062285), (5, 61649828), (10, 30824914), (20, 15412457), (983, 313580), (1966, 156790), (3932, 78395), (4915, 62716), (9830, 31358), (15679, 19660)]