845220890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{143501}}^1$

素因数の和:143558

約数の個数: 32

約数和(自身を含む): 1653143040

約数和(自身を除く): 807922150

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 143501, 287002, 717505, 1435010, 2726519, 4448531, 5453038, 8897062, 13632595, 22242655, 27265190, 44485310, 84522089, 169044178, 422610445, 845220890]

約数ペア:

[(1, 845220890), (2, 422610445), (5, 169044178), (10, 84522089), (19, 44485310), (31, 27265190), (38, 22242655), (62, 13632595), (95, 8897062), (155, 5453038), (190, 4448531), (310, 2726519), (589, 1435010), (1178, 717505), (2945, 287002), (5890, 143501)]