31273610

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 57456000

約数和(自身を除く): 26182390

約数列:

[1, 2, 5, 10, 139, 149, 151, 278, 298, 302, 695, 745, 755, 1390, 1490, 1510, 20711, 20989, 22499, 41422, 41978, 44998, 103555, 104945, 112495, 207110, 209890, 224990, 3127361, 6254722, 15636805, 31273610]

約数ペア:

[(1, 31273610), (2, 15636805), (5, 6254722), (10, 3127361), (139, 224990), (149, 209890), (151, 207110), (278, 112495), (298, 104945), (302, 103555), (695, 44998), (745, 41978), (755, 41422), (1390, 22499), (1490, 20989), (1510, 20711)]