149217880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17191}}^1$

素因数の和:17240

約数の個数: 64

約数和(自身を含む): 396103680

約数和(自身を除く): 246885800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 17191, 34382, 68764, 85955, 120337, 137528, 171910, 240674, 343820, 481348, 532921, 601685, 687640, 962696, 1065842, 1203370, 2131684, 2406740, 2664605, 3730447, 4263368, 4813480, 5329210, 7460894, 10658420, 14921788, 18652235, 21316840, 29843576, 37304470, 74608940, 149217880]

約数ペア:

[(1, 149217880), (2, 74608940), (4, 37304470), (5, 29843576), (7, 21316840), (8, 18652235), (10, 14921788), (14, 10658420), (20, 7460894), (28, 5329210), (31, 4813480), (35, 4263368), (40, 3730447), (56, 2664605), (62, 2406740), (70, 2131684), (124, 1203370), (140, 1065842), (155, 962696), (217, 687640), (248, 601685), (280, 532921), (310, 481348), (434, 343820), (620, 240674), (868, 171910), (1085, 137528), (1240, 120337), (1736, 85955), (2170, 68764), (4340, 34382), (8680, 17191)]