90267940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3727}}^1$

素因数の和:3916

約数の個数: 48

約数和(自身を含む): 217953792

約数和(自身を除く): 127685852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3460, 3727, 4844, 6055, 7454, 12110, 14908, 18635, 24220, 26089, 37270, 52178, 74540, 104356, 130445, 260890, 521780, 644771, 1289542, 2579084, 3223855, 4513397, 6447710, 9026794, 12895420, 18053588, 22566985, 45133970, 90267940]

約数ペア:

[(1, 90267940), (2, 45133970), (4, 22566985), (5, 18053588), (7, 12895420), (10, 9026794), (14, 6447710), (20, 4513397), (28, 3223855), (35, 2579084), (70, 1289542), (140, 644771), (173, 521780), (346, 260890), (692, 130445), (865, 104356), (1211, 74540), (1730, 52178), (2422, 37270), (3460, 26089), (3727, 24220), (4844, 18635), (6055, 14908), (7454, 12110)]