153964420

素因数分解:

$2^2\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{4957}}^1$

素因数の和:6519

約数の個数: 24

約数和(自身を含む): 323598744

約数和(自身を除く): 169634324

約数列:

[1, 2, 4, 5, 10, 20, 1553, 3106, 4957, 6212, 7765, 9914, 15530, 19828, 24785, 31060, 49570, 99140, 7698221, 15396442, 30792884, 38491105, 76982210, 153964420]

約数ペア:

[(1, 153964420), (2, 76982210), (4, 38491105), (5, 30792884), (10, 15396442), (20, 7698221), (1553, 99140), (3106, 49570), (4957, 31060), (6212, 24785), (7765, 19828), (9914, 15530)]