90048505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 118742400

約数和(自身を除く): 28693895

約数列:

[1, 5, 19, 41, 61, 95, 205, 305, 379, 779, 1159, 1895, 2501, 3895, 5795, 7201, 12505, 15539, 23119, 36005, 47519, 77695, 115595, 237595, 295241, 439261, 947879, 1476205, 2196305, 4739395, 18009701, 90048505]

約数ペア:

[(1, 90048505), (5, 18009701), (19, 4739395), (41, 2196305), (61, 1476205), (95, 947879), (205, 439261), (305, 295241), (379, 237595), (779, 115595), (1159, 77695), (1895, 47519), (2501, 36005), (3895, 23119), (5795, 15539), (7201, 12505)]