22278940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 48408192

約数和(自身を除く): 26129252

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 137, 173, 188, 235, 274, 346, 470, 548, 685, 692, 865, 940, 1370, 1730, 2740, 3460, 6439, 8131, 12878, 16262, 23701, 25756, 32195, 32524, 40655, 47402, 64390, 81310, 94804, 118505, 128780, 162620, 237010, 474020, 1113947, 2227894, 4455788, 5569735, 11139470, 22278940]

約数ペア:

[(1, 22278940), (2, 11139470), (4, 5569735), (5, 4455788), (10, 2227894), (20, 1113947), (47, 474020), (94, 237010), (137, 162620), (173, 128780), (188, 118505), (235, 94804), (274, 81310), (346, 64390), (470, 47402), (548, 40655), (685, 32524), (692, 32195), (865, 25756), (940, 23701), (1370, 16262), (1730, 12878), (2740, 8131), (3460, 6439)]