154865390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{42899}}^1$

素因数の和:42944

約数の個数: 24

約数和(自身を含む): 294208200

約数和(自身を除く): 139342810

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 42899, 85798, 214495, 428990, 815081, 1630162, 4075405, 8150810, 15486539, 30973078, 77432695, 154865390]

約数ペア:

[(1, 154865390), (2, 77432695), (5, 30973078), (10, 15486539), (19, 8150810), (38, 4075405), (95, 1630162), (190, 815081), (361, 428990), (722, 214495), (1805, 85798), (3610, 42899)]