78421870

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1171}}^1$

素因数の和:1396

約数の個数: 32

約数和(自身を含む): 145899936

約数和(自身を除く): 67478066

約数列:

[1, 2, 5, 10, 37, 74, 181, 185, 362, 370, 905, 1171, 1810, 2342, 5855, 6697, 11710, 13394, 33485, 43327, 66970, 86654, 211951, 216635, 423902, 433270, 1059755, 2119510, 7842187, 15684374, 39210935, 78421870]

約数ペア:

[(1, 78421870), (2, 39210935), (5, 15684374), (10, 7842187), (37, 2119510), (74, 1059755), (181, 433270), (185, 423902), (362, 216635), (370, 211951), (905, 86654), (1171, 66970), (1810, 43327), (2342, 33485), (5855, 13394), (6697, 11710)]