788126980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{7603}}^1$

素因数の和:7756

約数の個数: 48

約数和(自身を含む): 1701592704

約数和(自身を除く): 913465724

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 1420, 1460, 5183, 7603, 10366, 15206, 20732, 25915, 30412, 38015, 51830, 76030, 103660, 152060, 539813, 555019, 1079626, 1110038, 2159252, 2220076, 2699065, 2775095, 5398130, 5550190, 10796260, 11100380, 39406349, 78812698, 157625396, 197031745, 394063490, 788126980]

約数ペア:

[(1, 788126980), (2, 394063490), (4, 197031745), (5, 157625396), (10, 78812698), (20, 39406349), (71, 11100380), (73, 10796260), (142, 5550190), (146, 5398130), (284, 2775095), (292, 2699065), (355, 2220076), (365, 2159252), (710, 1110038), (730, 1079626), (1420, 555019), (1460, 539813), (5183, 152060), (7603, 103660), (10366, 76030), (15206, 51830), (20732, 38015), (25915, 30412)]