190280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 440640

約数和(自身を除く): 250360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 71, 134, 142, 268, 284, 335, 355, 536, 568, 670, 710, 1340, 1420, 2680, 2840, 4757, 9514, 19028, 23785, 38056, 47570, 95140, 190280]

約数ペア:

[(1, 190280), (2, 95140), (4, 47570), (5, 38056), (8, 23785), (10, 19028), (20, 9514), (40, 4757), (67, 2840), (71, 2680), (134, 1420), (142, 1340), (268, 710), (284, 670), (335, 568), (355, 536)]