290480835

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{3761}}^1$

素因数の和:4059

約数の個数: 32

約数和(自身を含む): 491166720

約数和(自身を除く): 200685885

約数列:

[1, 3, 5, 15, 19, 57, 95, 271, 285, 813, 1355, 3761, 4065, 5149, 11283, 15447, 18805, 25745, 56415, 71459, 77235, 214377, 357295, 1019231, 1071885, 3057693, 5096155, 15288465, 19365389, 58096167, 96826945, 290480835]

約数ペア:

[(1, 290480835), (3, 96826945), (5, 58096167), (15, 19365389), (19, 15288465), (57, 5096155), (95, 3057693), (271, 1071885), (285, 1019231), (813, 357295), (1355, 214377), (3761, 77235), (4065, 71459), (5149, 56415), (11283, 25745), (15447, 18805)]