207744860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7489}}^1$

素因数の和:7590

約数の個数: 48

約数和(自身を含む): 465578400

約数和(自身を除く): 257833540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 7489, 13870, 14978, 27740, 29956, 37445, 74890, 142291, 149780, 284582, 546697, 569164, 711455, 1093394, 1422910, 2186788, 2733485, 2845820, 5466970, 10387243, 10933940, 20774486, 41548972, 51936215, 103872430, 207744860]

約数ペア:

[(1, 207744860), (2, 103872430), (4, 51936215), (5, 41548972), (10, 20774486), (19, 10933940), (20, 10387243), (38, 5466970), (73, 2845820), (76, 2733485), (95, 2186788), (146, 1422910), (190, 1093394), (292, 711455), (365, 569164), (380, 546697), (730, 284582), (1387, 149780), (1460, 142291), (2774, 74890), (5548, 37445), (6935, 29956), (7489, 27740), (13870, 14978)]