214968940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{1303}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 462022848

約数和(自身を除く): 247053908

約数列:

[1, 2, 4, 5, 10, 20, 73, 113, 146, 226, 292, 365, 452, 565, 730, 1130, 1303, 1460, 2260, 2606, 5212, 6515, 8249, 13030, 16498, 26060, 32996, 41245, 82490, 95119, 147239, 164980, 190238, 294478, 380476, 475595, 588956, 736195, 951190, 1472390, 1902380, 2944780, 10748447, 21496894, 42993788, 53742235, 107484470, 214968940]

約数ペア:

[(1, 214968940), (2, 107484470), (4, 53742235), (5, 42993788), (10, 21496894), (20, 10748447), (73, 2944780), (113, 1902380), (146, 1472390), (226, 951190), (292, 736195), (365, 588956), (452, 475595), (565, 380476), (730, 294478), (1130, 190238), (1303, 164980), (1460, 147239), (2260, 95119), (2606, 82490), (5212, 41245), (6515, 32996), (8249, 26060), (13030, 16498)]