186975980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{153259}}^1$

素因数の和:153329

約数の個数: 24

約数和(自身を含む): 399089040

約数和(自身を除く): 212113060

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 153259, 306518, 613036, 766295, 1532590, 3065180, 9348799, 18697598, 37395196, 46743995, 93487990, 186975980]

約数ペア:

[(1, 186975980), (2, 93487990), (4, 46743995), (5, 37395196), (10, 18697598), (20, 9348799), (61, 3065180), (122, 1532590), (244, 766295), (305, 613036), (610, 306518), (1220, 153259)]