2290590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 6155136

約数和(自身を除く): 3864546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 821, 930, 1395, 1642, 2463, 2790, 4105, 4926, 7389, 8210, 12315, 14778, 24630, 25451, 36945, 50902, 73890, 76353, 127255, 152706, 229059, 254510, 381765, 458118, 763530, 1145295, 2290590]

約数ペア:

[(1, 2290590), (2, 1145295), (3, 763530), (5, 458118), (6, 381765), (9, 254510), (10, 229059), (15, 152706), (18, 127255), (30, 76353), (31, 73890), (45, 50902), (62, 36945), (90, 25451), (93, 24630), (155, 14778), (186, 12315), (279, 8210), (310, 7389), (465, 4926), (558, 4105), (821, 2790), (930, 2463), (1395, 1642)]