1648660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 3958416

約数和(自身を除く): 2309756

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 373, 442, 746, 884, 1105, 1492, 1865, 2210, 3730, 4420, 4849, 6341, 7460, 9698, 12682, 19396, 24245, 25364, 31705, 48490, 63410, 82433, 96980, 126820, 164866, 329732, 412165, 824330, 1648660]

約数ペア:

[(1, 1648660), (2, 824330), (4, 412165), (5, 329732), (10, 164866), (13, 126820), (17, 96980), (20, 82433), (26, 63410), (34, 48490), (52, 31705), (65, 25364), (68, 24245), (85, 19396), (130, 12682), (170, 9698), (221, 7460), (260, 6341), (340, 4849), (373, 4420), (442, 3730), (746, 2210), (884, 1865), (1105, 1492)]